Uddin, M., Wadud, A., Begum, D., Siddiki, M. and Rashid, M. 2012. Productive And Reproductive Performance Of Indigenous And Crossbred Cattle In Comilla District. Bangladesh Journal of Animal Science. 37, 1 (Feb. 2012), 39–43. DOI:https://doi.org/10.3329/bjas.v37i1.9866.