ARTANIA, A. I. et al.
 OPTIMASI PROPILENGLIKOL DALAM FORMULASI SIRUP EKSTRAK RIMPANG JAHE SEBAGAI OBAT BATUK.
<strong>Jurnal Kimia (Journal of Chemistry)</strong>, [S.l.], p. 181-187, july 2020.
ISSN 2599-2740.
Available at: &lt;<a href="https://ojs.unud.ac.id/index.php/jchem/article/view/57764" target="_new">https://ojs.unud.ac.id/index.php/jchem/article/view/57764</a>&gt;. Date accessed: 04 feb. 2025.
doi: <a href="https://doi.org/10.24843/JCHEM.2020.v14.i02.p12">https://doi.org/10.24843/JCHEM.2020.v14.i02.p12</a>.