Rahman, Md. Matiar, and Md. Mahedi Hassan. “The Amount of Selected Heavy Metals in Water, Sediments and Fish Species from the Rupsha River, Khulna, Bangladesh”. Asian Journal of Fisheries and Aquatic Research 6, no. 2 (April 18, 2020): 1-9. Accessed January 28, 2021. https://journalajfar.com/index.php/AJFAR/article/view/30091.