PANGARIBUAN, Darwin Habinsaran; 						SARNO, Sarno; 						KURNIAWAN, Muhammad Chandra.
 PENGARUH  PUPUK CAIR URINE SAPI TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN JAGUNG MANIS ( Zea mays L.).
<strong>Metamorfosa: Journal of Biological Sciences</strong>, [S.l.], v. 4, n. 2, p. 202-209, oct. 2017.
ISSN 2655-8122.
Available at: &lt;<a href="https://ojs.unud.ac.id/index.php/metamorfosa/article/view/34931" target="_new">https://ojs.unud.ac.id/index.php/metamorfosa/article/view/34931</a>&gt;. Date accessed: 23 jan. 2025.
doi: <a href="https://doi.org/10.24843/metamorfosa.2017.v04.i02.p11">https://doi.org/10.24843/metamorfosa.2017.v04.i02.p11</a>.