Biodiesel Production from Spent Fish Frying Oil Through Acid-Base Catalyzed Transesterification. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 13, n. 1, p. 09–15, 2012. DOI: 10.21743/. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/383. Acesso em: 21 jun. 2025.