DWITAMA, Made Indra et al. KONVERSI MINYAK BIJI MALAPARI (Pongamia Pinnata L.) MENJADI BIODIESEL MELALUI PEMANFAATAN KATALIS HETEROGEN ABU SEKAM PADI TERMODIFIKASI Li. Jurnal Kimia (Journal of Chemistry), [S.l.], july 2016. ISSN 2599-2740. Available at: <http://103.29.196.112/index.php/jchem/article/view/21440>. Date accessed: 05 mar. 2026. doi: https://doi.org/10.24843/JCHEM.2016.v10.i02.p10.