Rijanto, A., R. Aka, and T. Saili. “Pengaruh Lama Ekuilibrasi Terhadap Daya Hidup, Motilitas Dan Abnormalitas Spermatozoa Beku Sapi Peranakan Ongole”. Jurnal Ilmiah Peternakan Halu Oleo, vol. 3, no. 4, Oct. 2021, pp. 369-73, https://jipho.uho.ac.id/index.php/journal/article/view/695.