Transesterification of Castor Oil for Biodiesel Production Using H2SO4 Wet Impregnated Snail, Egg and Crab Shell Catalyst. International Journal of Latest Technology in Engineering Management & Applied Science, [S. l.], v. 13, n. 5, p. 195–208, 2024. DOI: 10.51583/IJLTEMAS.2024.130520. Disponível em: https://ijltemas.in/submission/index.php/online/article/view/672.. Acesso em: 27 nov. 2024.