ORUGBA, Henry Oghenero; OGHENEJOBOH, Kigho Moses; OGHENEJOBOH, Ufuoma Modupe; OHIMOR, Onogwarite E. Production of Biodiesel from a Novel Combination of Raphia Africana Kernel Oil and Turtle Shell (Centrochelys Sulcata) Heterogenous Catalyst. Journal of Human, Earth, and Future, [S. l.], v. 2, n. 3, p. 258–268, 2021. DOI: 10.28991/HEF-2021-02-03-07. Disponível em: https://www.hefjournal.org/index.php/HEF/article/view/83. Acesso em: 2 jun. 2025.