Mokaddes, MAA, BS Nahar, and MA Baten. “Status of Heavy Metal Contaminations of River Water of Dhaka Metropolitan City”. Journal of Environmental Science and Natural Resources 5, no. 2 (April 30, 2013): 349–353. Accessed October 17, 2021. https://www.banglajol.info/index.php/JESNR/article/view/14842.