“Therapy of Human Chorionic Gonadotropin (hCG) Hormone in Dairy Cattles That Have Repeat Breeder on Pregnancy Rate in Tulungagung, East Java, Indonesia”. 2021. Indian Journal of Forensic Medicine & Toxicology 15 (4): 1898-1902. https://doi.org/10.37506/ijfmt.v15i4.16979.