MASMUR, Indra; 						SIHOMBING, Jumadi Septian; 						GINTING, Mimpin.
 POLIURETAN MINYAK AMPAS KOPI ARABIKA ( Coffea arabica L.).
<strong>JURNAL KIMIA MULAWARMAN</strong>, [S.l.], v. 18, n. 2, p. 81 - 83, may 2021.
ISSN 2476-9258.
Available at: &lt;<a href="https://jurnal.kimia.fmipa.unmul.ac.id/index.php/JKM/article/view/1074" target="_new">https://jurnal.kimia.fmipa.unmul.ac.id/index.php/JKM/article/view/1074</a>&gt;. Date accessed: 31 oct. 2025.
doi: <a href="https://doi.org/10.30872/jkm.v18i2.1074">https://doi.org/10.30872/jkm.v18i2.1074</a>.