Development of Heterogeneous Catalyst from Waste Cow Bone Using Parinarium Macrophylum Seed Oil for Biodiesel Production. Communication In Physical Sciences, [S. l.], v. 7, n. 3, p. 203–217, 2021. Disponível em: https://journalcps.com/index.php/volumes/article/view/504. Acesso em: 21 jul. 2026.