OBAHIAGBON, K.; AHONKHAI, D. O. Optimized Biodiesel Production from Waste Cooking Oil Using Nickel (II) Nitrate Doped Chicken Manure as Catalyst. European Journal of Applied Sciences, [S. l.], v. 11, n. 3, p. 812–824, 2023. DOI: 10.14738/aivp.113.14891. Disponível em: https://journals.scholarpublishing.org/index.php/AIVP/article/view/14891. Acesso em: 22 jul. 2024.