Islam, M., Juyena, N., Bhuiyan, M., Rahman, M. and Ferdousy, R. (2014) “Treatment Outcomes in Postpartum Anoestrus Cows Guided by Transrectal Ultrasonography”, Progressive Agriculture, 24(1-2), pp. 93–100. doi: 10.3329/pa.v24i1-2.19109.