BETIKU, Eriola; ADEPOJU, T.F.; SOLOMON, B.O. Statistical Approach to Alcoholysis Optimization of Sorrel (Hibiscus Sabdariffa) Seed Oil to Biodiesel and Emission Assessment of Its Blends. Ife Journal of Technology, [S. l.], v. 21, n. 2, p. 20–24, 2012. Disponível em: http://ijt.oauife.edu.ng/index.php/ijt/article/view/103. Acesso em: 11 oct. 2025.