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Research Article
Title: Evaluation and effectiveness of student’s awareness on outcome-based education perception and implementation in teaching/learning activities a cross-sectional study
Authors: Vennila J., Baskar P., Venkatachalam M., Prakash V. S., Dafik, Devi P.
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2026, Volume: 44, Issue: 2, (APR 2026), pp:1251-1260
DOI: 10.14744/sigma.2026.2035
Viewed: (39) times
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Research Article
Title: Numerical simulation of magnetohydrodynamic casson Williamson hybrid nanofluid flow accounting thermal stratification
Authors: Jintu Mani NATH, Ashish PAUL, Tusar Kanti DAS
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2026, Volume: 44, Issue: 2, (APR 2026), pp:1240-1250
DOI: 10.14744/sigma.2026.2034
Viewed: (26) times
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Research Article
Title: Hyperparameter optimization web tool: Hyperopt
Authors: Fatma ALTINSOY, Muhammed Maruf ÖZTÜRK
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2026, Volume: 44, Issue: 2, (APR 2026), pp:1219-1239
DOI: 10.14744/sigma.2026.2033
Viewed: (26) times
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Research Article
Title: Analyzing challenges to maximize the efficiency of industrial processes using carbon capture and hydrogen energy production from methane
Authors: Kareem A. ABDELKAREEM, Ahmed El-AWADY
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2026, Volume: 44, Issue: 2, (APR 2026), pp:1187-1218
DOI: 10.14744/sigma.2025.00062
Viewed: (24) times
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Research Article
Title: Investigation of correlation between standard penetration test blow counts and internal friction angles for loess soils
Authors: Murat GÜLEN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2026, Volume: 44, Issue: 2, (APR 2026), pp:1172-1186
DOI: 10.14744/sigma.2025.00141
Viewed: (26) times
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Research Article
Title: Optimized mix framework for accelerated carbonation concrete by ground granulated blast furnace slag and silica fume
Authors: Ramatai B. SOMWANSHI, Abhijeet R. NARDEY, Padmanabh Arun GADGE
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2026, Volume: 44, Issue: 2, (APR 2026), pp:1153-1171
DOI: 10.14744/sigma.2026.2032
Viewed: (14) times
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Research Article
Title: Assessment of future renewable energy use and CO2 emissions of Türkiye and other countries in terms of climate targets of international agreements: An estimate with anfis
Authors: Abdullah Zübeyr ŞEKERCİ, Berk AYVAZ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2026, Volume: 44, Issue: 2, (APR 2026), pp:1138-1152
DOI: 10.14744/sigma.2025.1958
Viewed: (11) times
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Research Article
Title: Dynamic mechanical, morphological, and thermal characteristics of polypropylene/red mud polymer composites
Authors: Beril EKER, Özlem YAĞCI, Elif ULUTAŞ, Munir TAŞDEMIR, Volkan Murat YILMAZ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2026, Volume: 44, Issue: 2, (APR 2026), pp:1127-1137
DOI: 10.14744/sigma.2026.2031
Viewed: (10) times
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Research Article
Title: Sustainability-financial assessment indicators for renewable energy systems using fuzzy SWARA/WASPAS approach
Authors: Razieh KESHAVARZFARD, Mohsen ABOLHASANI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2026, Volume: 44, Issue: 2, (APR 2026), pp:1111-1126
DOI: 10.14744/sigma.2025.00174
Viewed: (10) times
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Research Article
Title: Bayesian computational methods for estimation of q-Weibull distribution
Authors: Ibrahim SADOK
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2026, Volume: 44, Issue: 2, (APR 2026), pp:1094-1110
DOI: 10.14744/sigma.2026.2030
Viewed: (14) times
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Research Article
Title: New ranking for picture fuzzy sets and novel way to address picutre fuzzy transportation problem
Authors: K. HEMALATHA, VENKATESWARLU B.
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2026, Volume: 44, Issue: 2, (APR 2026), pp:1082-1093
DOI: 10.14744/sigma.2026.2028
Viewed: (10) times
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Research Article
Title: A comprehensive approach to decision making in uncertain environments using picture fuzzy hypersoft topology
Authors: Muhammad IMRAN HARL, Muhammad SAEED, Muhammad HARIS SAEED
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2026, Volume: 44, Issue: 2, (APR 2026), pp:1069-1081
DOI: 10.14744/sigma.2026.2026
Viewed: (12) times
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Research Article
Title: Evaluation of reliability and performance in multi-subsystem serial system: Analyzing K-out-of-n redundancy in complex series-parallel configuration using Copula methodology
Authors: Kabiru Garba IBRAHIM, Ibrahim YUSUF, Hamisu Ismail AYAGI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2026, Volume: 44, Issue: 2, (APR 2026), pp:1048-1068
DOI: 10.14744/sigma.2026.2024
Viewed: (9) times
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Research Article
Title: Synthesis of compounds containing Cyano Anchor Groups, production of dye-sensitive solar cells and invesigation of the antibacterial properties of these compounds
Authors: Fatma AYTAN KILIÇARSLAN, Melda ALTIKATOĞLU YAPAÖZ, İbrahim ERDEN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2026, Volume: 44, Issue: 2, (APR 2026), pp:1041-1047
DOI: 10.14744/sigma.2025.1944
Viewed: (14) times
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Research Article
Title: The effects of the feature reduction by machine learning algorithms and feature decomposition by fuzzification on the mathematical model success criterion
Authors: Filiz KANBAY, Melike GÖKSU
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2026, Volume: 44, Issue: 2, (APR 2026), pp:1029-1040
DOI: 10.14744/sigma.2026.2006
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