Use of shell ash from Musa paradisiacal variety Valery as a basic heteroge-neous catalyst in obtaining biodiesel. SCIÉNDO INGENIUM, [S. l.], v. 17, n. 4, p. 63–69, 2021. Disponível em: https://revistas.unitru.edu.pe/index.php/PGM/article/view/4066. Acesso em: 18 jul. 2026.