“Kisaran Service Per Conception (S C) Sapi Peranakan Ongole (PO) Di Desa Srimulyo Kecamatan Kalirejo Kabupaten Lampung Tengah”. Wahana Peternakan 4, no. 2 (September 25, 2020). Accessed August 22, 2025. https://jurnal.utb.ac.id/index.php/jwputb/article/view/208.