Islam, MM, K Kizaki, T Takahashi, JS Khanom, S Debnath, and MAMY Khandoker. 2014. “Pregnancy Diagnosis in Black Bengal Goat by Progesterone Assay”. Bangladesh Journal of Animal Science 43 (3):180-84. https://doi.org/10.3329/bjas.v43i3.21645.