Hossain, Farzana, MTA Chowdhury, and SM Imamul Huq. 2011. “Carbon Economy and Heavy Metal Contamination in Two Peri-Urban Areas of Dhaka City in Relation to Indigenous Vegetable Cultivation Practices”. Bangladesh Journal of Scientific Research 23 (2):103-14. https://banglajol.info/index.php/BJSR/article/view/9004.