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Volume: 44 Issue: 5 Year: 2026
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Volume: 44 Issue: 5 - October 2026

Research Article

1. Assessing the water quality of a rural South-Eastern Nigeria river using water quality assessment indices
Emeka Donald ANYANWU , Sharmine Akter SIMU , Onyinyechi Gladys ADETUNJI , Amarachi Grace STEPHEN
DOI: 10.14744/sigma.2026.2143 Pages : 3055-3066
Abstract Full Text PDF
2. Evaluation of management strategies and drug therapy problems in patients with angina pectoris: A cross-sectional observational study
Faheem Ahmad JAN , Aftab ULLAH , Asif JAN , Abdur RAHIM , Imad ULLAH , Rani AKBAR
DOI: 10.14744/sigma.2026.2144 Pages : 3067-3076
Abstract Full Text PDF
3. Load demand estimation and prediction models for effective planning and sustainability of microgrid project in rural community
Harrison Oyibo IDAKWO , Lanre OLATOMIWA , James Garba AMBAFI , Abubakar Sadiq AHMAD
DOI: 10.14744/sigma.2025.00100 Pages : 3077-3095
Abstract Full Text PDF
4. Modification of high-calcium fly ash to meet ASTM requirements when used as a binder
Mohammed Ali ABDULREHMAN , Esraa A. ABBOD , Ali Abed SALMAN , Akram Q. MOFTEN , Ahmed Hafedh MOHAMMED
DOI: 10.14744/sigma.2026.2145 Pages : 3096-3106
Abstract Full Text PDF
5. A conformal 4-element phased array antenna using a T-junction power divider for beam steering in X-band unmanned aerial vehicle applications
Okan EVREN , Sena Esen BAYER KESKİN , Nurhan TÜRKER TOKAN
DOI: 10.14744/sigma.2026.2146 Pages : 3107-3119
Abstract Full Text PDF
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