LAPUNT, mallika .-. Production of Biodiesel from Palm Oil Using Catalysts Derived from Local Shells in Loei Province. Journal of Materials Science and Applied Energy, [S. l.], v. 7, n. 2, p. 282–287, 2018. Disponível em: https://ph01.tci-thaijo.org/index.php/jmsae_ceae/article/view/115826. Acesso em: 31 jan. 2023.