Items where Author is "Nik Daud, Nik Norsyahariati"

Soomro, Muhammad Hameer and Mohd Kusin, Faradiella and Mohamat-Yusuff, Ferdaus and Nik Daud, Nik Norsyahariati (2024) Elution of divalent cations from iron ore mining waste in an indirect aqueous mineral carbonation for carbon capture and storage. Sustainability, 16 (2). pp. 1-20. ISSN 2071-1050

Jaman, Khairina and Idrus, Syazwani and Abdul Wahab, Abdul Malek and Harun, Razif and Nik Daud, Nik Norsyahariati and Ahsan, Amimul and Shams, Shahriar and Uddin, Md. Alhaz (2023) Influence of molasses residue on treatment of cow manure in an anaerobic filter with perforated weed membrane and a conventional reactor: variations of organic loading and a machine learning application. Membranes, 13 (2). art. no. 159. pp. 1-23. ISSN 2077-0375

Lankaran, Zahraalsadat Elias and Nik Daud, Nik Norsyahariati and Rostami, Vahid and Md. Yusoff, Zainuddin (2022) Consolidated drained triaxial test on treated coastal soil and finite element analysis using PLAXIS 2D. Advances in Materials Science and Engineering, 2022. art. no. 7263333. pp. 1-15. ISSN 1687-8434; ESSN: 1687-8442

Tamassoki, Sakina and Nik Daud, Nik Norsyahariati and Mohd Jakarni, Fauzan and Mohd. Kusin, Faradiella and A. Rashid, Ahmad Safuan and Roshan, Mohammad Jawed (2022) Compressive and shear strengths of coir fibre reinforced activated carbon stabilised lateritic soil. Sustainability, 14 (15). art. no. 9100. pp. 1-18. ISSN 2071-1050

Rusdi, Mohammad Aliff and Nik Daud, Nik Norsyahariati (2022) Fly ash stabilized lateritic soil as subbase material: a review. Earth Sciences Malaysia, 6 (1). 15 - 23. ISSN 2521-5035; ESSN: 2521-5043

Roshan, Mohammad Jawed and A. Rashid, Ahmad Safuan and Abdul Wahab, Norshakila and Tamassoki, Sakina and Jusoh, Siti Norafida and Hezmi, Muhammad Azril and Nik Daud, Nik Norsyahariati and Mohd Apandi, Nazirah and Azmi, Mastura (2022) Improved methods to prevent railway embankment failure and subgrade degradation: a review. Transportation Geotechnics, 37. art. no. 100834. pp. 1-24. ISSN 2214-3912

Ma, Hai Ping and Nik Daud, Nik Norsyahariati (2022) Jointed rock failure mechanism: a method of heterogeneous grid generation for DDARF. Applied Sciences, 12 (12). art. no. 6095. pp. 1-16. ISSN 2076-3417

Tamassoki, Sakina and Nik Daud, Nik Norsyahariati and Mohd Jakarni, Fauzan and Mohd Kusin, Faradiella and A. Rashid, Ahmad Safuan and Roshan, Mohammad Jawed (2022) Performance evaluation of lateritic subgrade soil treated with lime and coir fibre-activated carbon. Applied Sciences, 12 (16). art. no. 8279. pp. 1-16. ISSN 2076-3417

Khasib, Isam Adnan and Nik Daud, Nik Norsyahariati and Mohd Nasir, Noor Azline (2021) Strength development and microstructural behavior of soils stabilized with palm oil fuel ash (POFA)-based geopolymer. Applied Sciences (Switzerland), 11 (8). art. no. 3572. pp. 1-15. ISSN 2076-3417

Syed Hasan, Sharifah Nur Munirah and Mohd Kusin, Faradiella and Nik Daud, Nik Norsyahariati and Saadon, Muhammad Anwar and Mohamat-Yusuff, Ferdaus and Ash’aari, Zulfa Hanan (2021) Characterization of gold mining waste for carbon sequestration and utilization as supplementary cementitious material. Processes, 9 (8). art. no. 1384. pp. 1-21. ISSN 2227-9717

Mohd Daud, Mohd Nazrin and Nik Daud, Nik Norsyahariati (2021) Compressibility characteristics of peat soil treated with MUF-P resin. Solid State Phenomena, 317. 529 - 534. ISSN 1012-0394; ESSN: 1662-9779

Adesiji, Richard Adeolu and Nik Daud, Nik Norsyahariati and Asogwa, Evarestus Osita and Mangey, Jarumi Akila and Musa, Hassan Hassan and Adaudu, Ignatius Idoko (2020) Irrigation and crop water requirement estimation for oil palms using soil moisture balance model in Peninsular Malaysia. Journal of Agricultural and Food Engineering, 1 (3). art. no. 0018. pp. 1-8. ISSN 2716-6236

Khasib, Isam Adnan and Nik Daud, Nik Norsyahariati (2020) Physical and mechanical study of Palm Oil Fuel Ash (POFA) based geopolymer as a stabilizer for soft soil. Pertanika Journal of Science and Technology, 28 (spec. 2). pp. 149-160. ISSN 0128-7680; ESSN: 2231-8526

Ghafari, Mehdi and Nahazanan, Haslinda and Md Yusoff, Zainuddin and Nik Daud, Nik Norsyahariati (2020) A novel experimental study on the effects of soil and faults properties on tunnels induced by normal and reverse faults. Applied Sciences-Basel, 10 (11). pp. 1-16. ISSN 2076-3417

Abu Bakar, Nabilah and Koh, Chan Ghee and Safiee, Nor Azizi and Nik Daud, Nik Norsyahariati (2019) Effect of flexible soil in seismic hazard assessment for structural design in Kuala Lumpur. International Journal of Geotechnical Earthquake Engineering, 10 (1). pp. 30-42. ISSN 1947-8488; ESSN: 1947-8496

Md Yusoff, Zainuddin and Nik Daud, Nik Norsyahariati and Nahazanan, Haslinda Nahazanan (2019) Engineering geology for engineers. Universiti Putra Malaysia Press, Serdang, Selangor. ISBN 9789673449101

Khairul Anuar, Norshafiqah and Che Man, Hasfalina and Hamzah, Muhammad Hazwan and Idrus, Syazwani and Nik Daud, Nik Norsyahariati and Wan Ab. Karim Ghani, Wan Azlina (2019) Methane production from anaerobic co-digestion of sewage sludge and decanter cake. In: Konvensyen Kebangsaan Kejuruteraan Pertanian dan Makanan 2019, 21 Mac 2019, Wisma Tani, Kementerian Pertanian & Industri Asas Tani, Putrajaya. (pp. 49-53).

Musa, Mohammed Ali and Idrus, Syazwani and Che Man, Hasfalina and Nik Daud, Nik Norsyahariati (2019) Performance comparison of conventional and modified Upflow Anaerobic Sludge Blanket (UASB) reactors treating high-strength cattle slaughterhouse wastewater. Water, 11 (4). pp. 1-18. ISSN 2073-4441

Masri, Noratiqah and Mohd Kusin, Faradiella and Nik Daud, Nik Norsyahariati and Che Man, Hasfalina (2019) Strength assessment of mining soil treated with steel slag as liner material for retention pond. Pertanika Journal of Science & Technology, 27 (4). pp. 2305-2315. ISSN 0128-7680; ESSN: 2231-8526

Idrus, Syazwani and Zhe, Sim Jian and Rosli, Nurul Shafiqah and Nik Daud, Nik Norsyahariati (2018) Co-digestion of rice straw leachate and domestic wastewater for biogas production with addition of urea as nitrogen source. International Journal of Engineering and Technology, 10 (1). pp. 76-81. ISSN 2319-8613

Nik Daud, Nik Norsyahariati and Anijiofor, Sandra Chinenyenwa (2018) Chicken slaughterhouse wastewater disposal: the challenges ahead. Asian Journal of Agriculture and Biology (spec.). pp. 42-45. ISSN 2307-8553

Musa, Mohammed Ali and Idrus, Syazwani and Che Man, Hasfalina and Nik Daud, Nik Norsyahariati (2018) Effect of organic loading rate on anaerobic digestion performance of mesophilic (UASB) reactor using cattle slaughterhouse wastewater as substrate. International Journal of Environmental Research and Public Health, 15 (10). pp. 1-19. ISSN 1661-7827; ESSN: 1660-4601

Anijiofor, Sandra Chinenyenwa and Nik Daud, Nik Norsyahariati and Idrus, Syazwani and Che Man, Hasfalina (2018) Recycling of fishpond wastewater by adsorption of pollutants using aged refuse as an alternative low-cost adsorbent. Sustainable Environment Research, 28. 315 - 321. ISSN ESSN: 2468-2039

Nik Daud, Nik Norsyahariati and Richard, Adesiji Adeolu and Sayok, Alexander Kiew and Rory, Padfield and Mohammed, Thamer Ahmed (2018) Soil carbon and nitrogen dynamics in a tropical peatland. In: Soil Management and Climate Change. Academic Press Elsevier, U.S.A, 73 - 83. ISBN 9780128121283

Musa, Mohammed Ali and Idrus, Syazwani and Che Man, Hasfalina and Nik Daud, Nik Norsyahariati (2018) Wastewater treatment and biogas recovery using anaerobic membrane bioreactors (AnMBRs): strategies and achievements. Energies, 11. art. no. 1675. pp. 1-24. ISSN 1996-1073; ESSN: 1996-1073

Al-Sulttani, Ali Omran Muhsin and Ahsan, Amimul and Hanoon, Ammar Nasiri and Rahman, Ataur and Nik Daud, Nik Norsyahariati and Idrus, Syazwani (2017) Hourly yield prediction of a double-slope solar still hybrid with rubber scrapers in low-latitude areas based on the particle swarm optimization technique. Applied Energy, 203. 280 - 303. ISSN 0306-2619; ESSN: 1872-9118

Nik Daud, Nik Norsyahariati and Muhammed, Abubakar Sadiq and Kundiri, Ali M. (2017) Hydraulic conductivity of compacted granite residual soil mixed with Palm Oil Fuel Ash in landfill application. Geotechnical and Geological Engineering, 35 (5). 1967 - 1976. ISSN 0960-3182; ESSN: 1573-1529

Erabee, Iqbal Khalaf and Ahsan, Amimul and Zularisam, Abid Wahid and Idrus, Syazwani and Nik Daud, Nik Norsyahariati and Arunkumar, Thirugnanasambantham and Sathyamurthy, Ravishankar and Al-Rawajfeh, Aiman Eid (2017) A new activated carbon prepared from sago palm bark through physiochemical activated process with zinc chloride. Engineering Journal, 21 (5). pp. 1-14. ISSN 0125-8281

Al-Sulttani, Ali Omran Muhsin and Ahsan, Amimul and Rahman, Ataur and Nik Daud, Nik Norsyahariati and Idrus, Syazwani (2017) Heat transfer coefficients and yield analysis of a double-slope solar still hybrid with rubber scrapers: an experimental and theoretical study. Desalination and Water Treatment, 407. 61 - 74. ISSN 1944-3994; ESSN: 1944-3986

Idrus, Syazwani and Nik Daud, Nik Norsyahariati and Ahsan, Amimul (2017) Anaerobic digestion of domestic wastewater in different salinity levels: the adaptation process. Pertanika Journal of Science & Technology, 25 (1). pp. 211-220. ISSN 0128-7680; ESSN: 2231-8526

Mohd Daud, Mohd Nazrin and Nik Daud, Nik Norsyahariati (2017) Effect of wet and dry conditions of MUF polymers on strength properties of treated peat soil. In: Global Civil Engineering Conference (GCEC 2017), 25-28 July 2017, Kuala Lumpur, Malaysia. (pp. 1235-1246).

Erabee, Iqbal Khalaf and Ahsan, Amimul and Jose, Bipin and Thirugnanasambantham, Arunkumar and Sathyamurthy, Ravishankar and Idrus, Syazwani and Nik Daud, Nik Norsyahariati (2017) Effects of electric potential, NaCl, pH and distance between electrodes on efficiency of electrolysis in landfill leachate treatment. Journal of Environmental Science and Health. Part A: Toxic Hazardous Substances and Environmental Engineering, 52 (8). 735 - 741. ISSN 1093-4529; ISSN: 1532-4117

Md Yusoff, Zainuddin and Nik Daud, Nik Norsyahariati and Nahazanan, Haslinda and Omar, Husaini and Aziz, Azalan and Ab Razak, Mohd Shahriza (2017) Granites in Malaysia: from hard rock to clay minerals. In: Global Civil Engineering Conference (GCEC 2017), 25-28 July 2017, Kuala Lumpur, Malaysia. (pp. 1295-1305).

Erabee, Iqbal Khalaf and Ahsan, Amimul and Nik Daud, Nik Norsyahariati and Idrus, Syazwani and Shams, Shamriar and Md Din, Mohd Fadhil and Rezania, Shahabaldin (2017) Manufacture of Low-cost Activated Carbon using Sago Palm Bark and Date Pits by Physicochemical Activation. BioResources, 12 (1). 1916 - 1923. ISSN 1930-2126

Rosli, Nurul Shafiqah and Idrus, Syazwani and Md Dom, Azmir and Nik Daud, Nik Norsyahariati (2017) Potential of pineapple waste extract (PWE) as co-substrate in anaerobic digestion of rice straw washwater (RSWW): enhancement of biogas production. In: Global Civil Engineering Conference (GCEC 2017), 25-28 July 2017, Kuala Lumpur, Malaysia. (pp. 1479-1493).

Abu Bakar, Nabilah and Koh, Chan Ghee and Safiee, Nor Azizi and Nik Daud, Nik Norsyahariati (2017) Site specific seismic hazard assessment for Kuala Lumpur and vicinity from long distance earthquakes. International Journal of Civil Engineering & Geo-Environmental, 7 (1). 15 - 20. ISSN 2180-2742; ESSN: 2504-849X

Bala, Ashis Kumar and Bari, Quazi Hamidul and Ahsan, Amimul and ElSergany, Moetaz Mahmoud and Sathyamurthy, Ravishankar and Bek, Mohamed Ali and Rowshon, Md Kamal and Mallick, Jayanta and Nik Daud, Nik Norsyahariati (2016) Chemical characteristics of native soil in shrimp Gher and agricultural land. Engineering Journal, 20 (2). pp. 1-15. ISSN 0125-8281

Richard, Adesiji Adeolu and Mohammed Ali, Thamer Ahmed and Nik Daud, Nik Norsyahariati and Mustapha, Sa'ari and Sayok, Alexander Kiew and Padfield, Roryd and Evers, Stephanie (2016) Achieving best management practices in an oil palm plantation at tropical peatland: a gap analysis. In: 3rd International Conference on Agricultural and Food Engineering (CAFEi 2016), 23-25 Aug. 2016, Seri Pacific Hotel, Kuala Lumpur, Malaysia. (pp. 19-24).

Nik Daud, Nik Norsyahariati and Abdul Jalil, Falil Nisa and Mohd. Jakarni, Fauzan and Ahsan, Amimul (2016) Application of agricultural waste in residual soil for subgrade work. Journal of Advanced Civil Engineering Practice and Research, 2 (1). pp. 2-6. ISSN ESSN: 2550-1933

Nik Daud, Nik Norsyahariati and Muhammed, Abubakar Sadiq and Misban, Nadwatul Khodijah and Wan Yaacob, Wan Zuhairi (2016) Attenuation capacity of soil mixed with palm oil fuel ash (POFA) liner for treating leachate. Jurnal Teknologi, 78 (8-6). pp. 99-103. ISSN 0127-9696; ESSN: 2180-3722

Md. Yusoff, Zainuddin and Abd Aziz, Azlan and Nik Daud, Nik Norsyahariati and Nahazanan, Haslinda and Raju, Gobindaran (2016) Compressive and tensile strengths of Kuala Lumpur limestone and Kuala Lumpur granite: in relation to their internal properties. In: World Research & Innovation Convention on Engineering & Technology 2016, 24-25 Oct. 2016, Langkawi, Kedah, Malaysia. (pp. 8-12).

Md Yusoff, Zainuddin and Azmi, Nur Anati and Nahazanan, Haslinda and Nik Daud, Nik Norsyahariati and Abdul Aziz, Azlan (2016) Engineering geological of an active slope in KM46 Simpang Pulai, Perak. Malaysian Journal of Civil Engineering, 28 (spec.1). pp. 35-41. ISSN 1823-7843

Adeleke, Abdulrahman Oyekanmi and Ahsan, Amimul and Nik Daud, Nik Norsyahariati and Abdul Latiff, Ab Aziz and Denkenberger, David and Zawawi, Daud and Mat Daud, NurFalilah (2016) Geospatial analysis of lake water quality parameters in Selangor, Malaysia using GIS. Journal of Desalination and Water Purification, 2 (1). pp. 14-21. ISSN 0128-2387

Nik Daud, Nik Norsyahariati and Muhammed, Abubakar Sadiq and Md Yusoff, Zainuddin (2016) Geotechnical assessment of palm oil fuel ash (POFA) mixed with granite residual soil for hydraulic barrier purposes. Malaysian Journal of Civil Engineering, 28 (spec.1). pp. 1-9. ISSN 1823-7843

Nik Daud, Nik Norsyahariati and Ismail, F. A. and Ahsan, Amimul and Amdam, A. (2016) Lake water quality monitoring and prediction: natural attenuation. Journal of Desalination and Water Purification, 4 (1). pp. 8-12. ISSN 0128-2387

Nik Daud, Nik Norsyahariati and Oyekanmi, Adeleke Abdulrahman and Idrus, Syazwani (2016) Preliminary assessment of lakes water quality status at campus area in Selangor, Malaysia. Malaysian Journal of Civil Engineering, 28 (spec.1). pp. 42-49. ISSN 1823-7843

Nik Daud, Nik Norsyahariati and Izehar, Nur Hazwani (2016) Study on water quality of unconfined and confined aquifer in Selangor: aeration method. Jurnal Teknologi, 78 (9-4). pp. 47-54. ISSN 0127–9696; ESSN: 2180–3722

Khaleel, Mohammed R. and Ahsan, Amimul and Imteaz , Monzur Alam and El-Sergany, Moetaz M. and Nik Daud, Nik Norsyahariati and Mohamed, Thamer Ahmed and Ibrahim, Buthainah A. (2015) Performance of GACC and GACP to treat institutional wastewater: a sustainable technique. Membrane Water Treatment, 6 (4). pp. 339-349. ISSN 2005-8624; ESSN: 2092-7037

Nik Daud, Nik Norsyahariati and Ismail, Farhana (2015) Aged refuse as a medium to remediate leachate contaminated by heavy metals. In: 2015 International Conference on Energy, Environment and Chemical Engineering (ICEECE 2015), 28-29 June 2015, Bangkok, Thailand. (pp. 13-18).

Nik Daud, Nik Norsyahariati and Izehar, Nur Hazwani (2015) Assessment and treatment of groundwater in Selangor area: unconfined and confined aquifer. In: 3rd International Conference on Water Resources (ICWR-2015), 24-25 Nov. 2015, Bayview Hotel, Langkawi, Kedah. .

Richard, Adesiji Adeolu and Mohammad, Thamer Ahmed and Nik Daud, Nik Norsyahariati and Mustapha, Sa'ari and Sayok, Alexander Kiew and Olukemi, Gbadebo Anthonia (2015) Assessment of chemical properties of tropical peatland soil in Malaysia oil palm plantation. Nigerian Journal of Technological Research, 10 (2). pp. 12-16. ISSN 0795-5111

Nik Daud, Nik Norsyahariati and Abdul Jalil, Falil Nisa and Sadiq, Muhammed Abubakar and Abd. Ghafar Azmi, Juliana (2015) Influence of agricultural wastes on shear strength properties of soil. In: 3rd International Conference on Civil and Environmental Engineering for Sustainability (IConCEES 2015), 1-2 Dec. 2015, Melaka, Malaysia. (pp. 1-7).

Richard, Adesiji Adeolu and Mohammed, Thamer Ahmed and Nik Daud, Nik Norsyahariati and Mustapha, Sa'ari and Sayok, Alexander Kiew and Padfield, Roryd and Evers, Stephanie (2015) Investigating the influence of rainfall on soil carbon quantity in a tropical peatland. Procedia Environmental Sciences, 30. pp. 44-49. ISSN 1878-0296

Nik Daud, Nik Norsyahariati and Abu Mansor, Nursheela and Ahsan, Amimul and Idrus, Syazwani (2015) Leachate treatment by using aged refuse (AR) as a biofilter medium. Polish Journal of Environmental Studies, 24 (2). pp. 605-609. ISSN 1230-1485

Nik Daud, Nik Norsyahariati and Kam, Ru Hui and Abd. Ghafar Azmi, Juliana (2015) The effect of soil particle arrangement on shear strength behavior of silty sand. In: 3rd International Conference on Civil and Environmental Engineering for Sustainability (IConCEES 2015), 1-2 Dec. 2015, Melaka, Malaysia. (pp. 1-7).

Adesiji, Richard Adeolu and Mohammed, Thamer Ahmed and Nik Daud, Nik Norsyahariati and Mustapha, Sa'ari (2014) Impacts of oil palm cultivation on soil chemistry in a Malaysian tropical peatland. Advances in Environmental Biology, 8 (21). pp. 369-373. ISSN 1995-0756; ESSN: 1998-1066

Oyekanmi, Adeleke Abdulrahman and Nik Daud, Nik Norsyahariati and Ahsan, Amimul and Pradhan, Biswajeet (2014) Water quality assessment of UPM lake and the impact of geographic information system. International Journal of Environmental Monitoring and Analysis, 2 (3). pp. 158-162. ISSN 2328-7659; ESSN: 2328-7667

Ahsan, Amimul and Imteaz, Monzur Alam and Thomas, U. A. and Mohd Zain, Mohd Azmi and Rahman, Ataur and Nik Daud, Nik Norsyahariati (2014) Parameters affecting the performance of a low cost solar still. Applied Energy, 114. pp. 924-930. ISSN 0306-2619; ESSN: 1872-9118

Ahsan, Amimul and Alamgir, M. and El-Sergany, Moetaz M. and Shams, S. and Kamal, Md. Rowshon and Nik Daud, Nik Norsyahariati (2014) Assessment of municipal solid waste management system in a developing country. Chinese Journal of Engineering, 2014. art. no. 561935. pp. 1-11. ISSN 2314-8063

Nik Daud, Nik Norsyahariati and Mohammed, Abubakar Sadiq and Md Yusoff, Zainuddin (2014) Effect of palm oil fuel ash (POFA) content on volumetric shrinkage strain of granite residual soil. In: 5th Brunei International Conference on Engineering and Technology (BICET 2014), 1-3 Nov. 2014, Bandar Seri Begawan, Brunei Darussalam. (pp. 1-6).

Nik Daud, Nik Norsyahariati and Hong, K. C. and Azmi, J. A. G. (2014) Influence of moisture content in electrokinetic remediation process of contaminated soil. In: 5th Brunei Int. Conference on Engineering and Technology, 1-3 Nov. 2014, Bandar Seri Begawan, Brunei. (pp. 1-5).

Nik Daud, Nik Norsyahariati and Mohammed, Abubakar Sadiq (2014) Material characterization of palm oil fuel ash (POFA) mixed with granite residual soil. Advanced Materials Research, 955-959. pp. 2093-2097. ISSN 1022-6680; ESSN: 1662-8985

Nik Daud, Nik Norsyahariati and Azman, Nurul Ayunie and Ibrahim, Siti Aisyah and Ahsan, Amimul (2014) The stability evaluations of municipal landfill in Malaysia for future land use. Advanced Materials Research, 864-867. pp. 1128-1131. ISSN 1022-6680; ESSN: 1662-8985

Nik Daud, Nik Norsyahariati and Anuar, Nur Safrah and Md Yusoff, Zainuddin and Ahsan, Amimul (2013) Assessment of lake sediments properties and contaminations level. Advanced Materials Research, 610-613. pp. 2100-2103. ISSN 1022-6680; ESSN: 1662-8985

Nik Daud, Nik Norsyahariati and Izehar, Nur H. and Yusuf, Badronnisa and Mohamed, Thamer Ahmed and Ahsan, Amimul (2013) Groundwater quality improvement by using aeration and filtration methods. International Scholarly and Scientific Research & Innovation, 7 (6). pp. 403-407. ISSN 2010-376X

Ahsan, Amimul and Rahman, Ataur M Abdul and Shanableh, Abdallah M. and Nik Daud, Nik Norsyahariati and Mohammed, Thamer Ahmed and Mabrouk, Abdel Nasser A. (2013) Life cycle cost analysis of a sustainable solar water distillation technique. Desalination and Water Treatment, 51 (40-42). pp. 7412-7419. ISSN 1944-3994; ESSN: 1944-3986

Nik Daud, Nik Norsyahariati and Aziz, Ruslina (2012) Landfill site work performance based on residents perceptions of environmental impacts: case study in Malaysia. Advanced Materials Research, 356-360. pp. 2036-2041. ISSN 1022-6680; ESSN: 1662-8985