Sarder, Md Jalal Uddin, Jashim Uddin, Md Hemayatul Islam, and Md Reazul Islam. “Prevalence of Obstetrical Disorders in Dairy Cows of Northern Bangladesh”. Asian Journal of Medical and Biological Research 1, no. 2 (November 23, 2015): 216–221. Accessed September 19, 2025. https://www.banglajol.info/index.php/AJMBR/article/view/25614.