KRISHNAKUMAR, K, and C CHANDRAHASAN. “EFFECT OF GNRH AGONIST AT DIFFERENT STAGES OF THE PGF2°" INDUCED ESTROUS CYCLE IN REPEAT BREEDER COWS”. The Indian Journal of Animal Reproduction, vol. 33, no. 2, Jan. 2023, pp. 10-13, https://acspublisher.com/journals/index.php/ijar/article/view/4343.