Begum, Shawkat Ara, Qamar Banu, and Baharul Hoque. “Histopathology of the Intestine of Clarias Batrachus L. Under Heavy Metal Stress”. Chittagong University Journal of Biological Sciences 5, no. 1 (January 18, 2013): 45–53. Accessed December 4, 2024. https://banglajol.info/index.php/CUJBS/article/view/13369.