UGWU HYGINUS UBABUIKE; EZERE YAGAZIE PROSPER; IGRI O. UKET; OKON JIMMY OMINI; JACOB UKEME; LUKE UDUAK. Effects of process parameters variations and optimization of biodiesel production from waste cooking soya oil. International Journal of Engineering and Technology, [S. l.], v. 13, n. 2, p. 388–397, 2024. DOI: 10.14419/2592eg51. Disponível em: https://sciencepubco.com/index.php/IJET/article/view/33037.. Acesso em: 11 mar. 2025.