Rahman, U. A., & Muazu, H. (2026). NEEM (AZADIRACHTA INDICA) SEED OIL AS A SUSTAINABLE DIESEL SUBSTITUTE: A COMPARATIVE ASSESSMENT OF HOMOGENEOUS BASE-CATALYZED ETHANOLYSIS AND DIRECT FUEL BLENDING. International Journal of Renewable Energy and Environment, 4(2). https://doi.org/10.5281/