Islam, MR, NS Juyena, MMU Bhuiyan, MM Rahman, and RN Ferdousy. 2014. “Treatment Outcomes in Postpartum Anoestrus Cows Guided by Transrectal Ultrasonography”. Progressive Agriculture 24 (1-2):93-100. https://doi.org/10.3329/pa.v24i1-2.19109.