Rahman, Md Aliar, et al. “Performance and Nutritional Status of Holstein Crossbred Cows in a Selected Area of Bangladesh under the Existing Farming System”. Journal of Advanced Veterinary and Animal Research, vol. 11, no. 3, Sept. 2024, pp. 686-92, https://www.banglajol.info/index.php/JAVAR/article/view/81032.