FAIZIN, Nur.
 Increased Use Value of Coffee Bean Skin Waste as Liquid Fertilizer in Sukorambi Jember Area.
<strong>Warta Pengabdian</strong>, [S.l.], v. 13, n. 2, p. 102-106, june 2019.
ISSN 2655-7509.
Available at: &lt;<a href="https://jurnal.unej.ac.id/index.php/WRTP/article/view/10251" target="_new">https://jurnal.unej.ac.id/index.php/WRTP/article/view/10251</a>&gt;. Date accessed: 22 dec. 2024.
doi: <a href="https://doi.org/10.19184/wrtp.v13i2.10251">https://doi.org/10.19184/wrtp.v13i2.10251</a>.