HAPSARI, N. N.; 						SAMIK, S..
 UTILIZATION OF NA2O/LAPINDO MUD NANOCATALYST IN THE TRANSESTERIFICATION REACTION OF USED COOKING OIL INTO BIODIESEL.
<strong>Jurnal Kimia (Journal of Chemistry)</strong>, [S.l.], p. 293-305, july 2025.
ISSN 2599-2740.
Available at: &lt;<a href="http://ojs.unud.ac.id/index.php/jchem/article/view/121748" target="_new">http://ojs.unud.ac.id/index.php/jchem/article/view/121748</a>&gt;. Date accessed: 12 aug. 2025.
doi: <a href="https://doi.org/10.24843/JCHEM.2025.v19.i02.p20">https://doi.org/10.24843/JCHEM.2025.v19.i02.p20</a>.