HARYONO, Haryono; ERNAWATI, E. Evy; RUKIAH, Rukiah; SURYANI, Susi. BIODIESEL SYNTHESIS THROUGH NYAMPLUNG OIL ESTERIFICATION AND TRANSESTERIFICATION USING ULTRASONIC WAVES ASSIST. Jurnal Penelitian Saintek, [S. l.], v. 22, n. 1, p. 1–7, 2017. DOI: 10.21831/jps.v22i1.15505. Disponível em: https://jurnal.uny.ac.id/index.php/saintek/article/view/15505. Acesso em: 15 may. 2025.