, Mangonar Lumbantoruan.
 LAJU KEBUNTINGAN TERNAK KERBAU LUMPUR KAWIN ALAM DAN KAWIN IB DI KECAMATAN SIBORONG-BORONG KABUPATEN TAPANULI UTARA.
<strong>JASA PADI</strong>, [S.l.], v. 3, n. 2, p. 26-29, jan. 2019.
ISSN 2502-8936. Available at: &lt;<a href="https://jurnal.pancabudi.ac.id/index.php/jasapadi/article/view/433" target="_new">https://jurnal.pancabudi.ac.id/index.php/jasapadi/article/view/433</a>&gt;. Date accessed: 19 apr. 2024.