ABDULRAHMAN, Ribwar K. Sustainable Biodiesel Production from Waste Cooking Oil and Chicken Fat as an Alternative Fuel for Diesel Engine. European Scientific Journal, ESJ, [S. l.], v. 13, n. 3, p. 235, 2017. DOI: 10.19044/esj.2017.v13n3p235. Disponível em: https://test.eujournal.org/index.php/esj/article/view/8685. Acesso em: 18 apr. 2025.