ASCENDANCY OF ULTRASONIC REACTOR FOR MICRO BIODIESEL PRODUCTION. Jurnal Teknologi, [S. l.], v. 77, n. 5, 2015. DOI: 10.11113/jt.v77.6132. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/6132.. Acesso em: 7 may. 2024.