Julaeha, Titi, Retno Widyani, and Djodjo Sumardjo. “Pengukuran Produktivits Sapi Perah Menggunakan Test Interval”. Kandang : Jurnal Peternakan 7, no. 2 (March 1, 2024): 21–30. Accessed July 22, 2024. https://e-journal.umc.ac.id/index.php/JKD/article/view/218.