S. UMEH, Ifeanyi; A. OKONKWO, Peter; N. MKPAMDI, Eke. Investigation of the Potential of African Oil Bean Seed as a Feedstock for Biodiesel Production using Iron (Iii) Oxide. Engineering And Technology Journal, [S. l.], v. 10, n. 8, p. 6335–6349, 2025. DOI: 10.47191/etj/v10i08.27. Disponível em: https://everant.org/index.php/etj/article/view/2086. Acesso em: 28 sep. 2026.