Amin, Halimah, et al. “EFFECTS OF COENZYME Q10 AND VITAMIN E IN LACTATED RINGER’S EGG YOLK EXTENDER ON PRE-FREEZING SEMEN QUALITY OF GAGA CHICKEN”. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), vol. 5, no. 8, July 2026, pp. 5005-12, https://ijset.org/index.php/ijset/article/view/2116.