NurcholisN., FurqonA., ArifiantiniR. I., and SalamonyS. M. “Supplementation of Pandanus Conoideus Oil in Cryopreservation Diluents for Maintaining the Semen Quality of Ongole Grade Bull”. Tropical Animal Science Journal, Vol. 44, no. 2, May 2021, pp. 146-51, doi:10.5398/tasj.2021.44.2.146.