MUFLIHAH, Yeni M.; 						BUCHARI, Buchari.
 Preparation of Reference Material for Trigonelline Determination Inside of Green Coffee Beans Using HPTLC.
<strong>Jurnal ILMU DASAR</strong>, [S.l.], v. 14, n. 1, p. 53-57, jan. 2013.
ISSN 2442-5613.
Available at: &lt;<a href="https://jurnal.unej.ac.id/index.php/JID/article/view/482" target="_new">https://jurnal.unej.ac.id/index.php/JID/article/view/482</a>&gt;. Date accessed: 02 may 2024.
doi: <a href="https://doi.org/10.19184/jid.v14i1.482">https://doi.org/10.19184/jid.v14i1.482</a>.