WIDJANARKO, Dwi; ABDURRAHMAN, Abdurrahman; HADROMI, Hadromi. TESTING OF PROCESSING OIL WASTE TO BE BIODIESEL AS A FUEL ALTERNATIVE MOTOR DIESEL. Jurnal Penelitian Saintek, Yogyakarta, Indonesia, v. 15, n. 1, 2014. DOI: 10.21831/jps.v15i1.1730. Disponível em: https://jurnal.uny.ac.id/index.php/saintek/article/view/1730. Acesso em: 26 aug. 2025.