ZAKARI, Mubarak Musa; MUSA, Auwalu; AHMAD, Fa`iza; ISMA`IL, Usman Idris; IYA, Sani Garba Durumin; UZAIR, Muhammad; SHITU, Ibrahim Garba. Efficacy of Fly Ash as Additive on the Physical Properties of Biodiesel Extracted from Neem Oil. Nigerian Journal of Applied Physics, [S. l.], v. 2, n. 2, p. 213–221, 2026. DOI: 10.62292/njap-v2i2-2026-90. Disponível em: https://njap.nipngr.org/index.php/njap/article/view/90. Acesso em: 22 sep. 2026.