Ali, M.; Ershaduzzaman, M.; Khatun, R.; Alam, U.; Akter, S.; Roy, R.; Habib, M.; Munira, S.; Esha, J.; Sarker, N. Ovarian Physiology of Repeat Breeder Cows at Bathan Area of Bangladesh. Bangladesh J. of Livestock Res. 2021, 27, 95-104.