“Identification of Factors Contributed to Beef Cattle Reproductive Disorders in Ogan Komering Ulu Timur Regency (OKU Timur) of South Sumatra Province in UPSUS SIWAB Program 2018”. Animal Production: Indonesian Journal of Animal Production 20, no. 3 (September 26, 2019): 199–209. Accessed October 29, 2026. https://jap.fapet.unsoed.ac.id/index.php/JAP/article/view/1743.