BhaktyZ. W., KaiinE. M., KarjaN. W. K., and SetiadiM. A. “L-Carnitine Supplementation Enhances Nuclear and Cytoplasmic Maturation Rates of Sheep Oocytes In Vitro”. Tropical Animal Science Journal, Vol. 44, no. 2, May 2021, pp. 131-7, doi:10.5398/tasj.2021.44.2.131.