Begum, Bilkis A, and Swapan K Biswas. “Trends in Particulate Matter (PM) and Lead Pollution in Ambient Air of Dhaka City in Bangladesh”. Journal of Bangladesh Academy of Sciences 32, no. 2 (May 6, 2009). Accessed December 22, 2024. https://banglajol.info/index.php/JBAS/article/view/2427.