Ali, M., M. Ershaduzzaman, R. Khatun, U. Alam, S. Akter, R. Roy, M. Habib, S. Munira, J. Esha, and N. Sarker. “Ovarian Physiology of Repeat Breeder Cows at Bathan Area of Bangladesh”. Bangladesh Journal of Livestock Research, vol. 27, no. 1, Nov. 2021, pp. 95-104, doi:10.3329/bjlr.v27i1.55173.