Azam, M. S., M. Shafiquzzaman, Iori Mishima, and Jun Nakajima. “Arsenic Release from Contaminated Soil of Bangladesh in Natural Field Conditions”. Journal of Scientific Research 1, no. 2 (April 22, 2009): 258–269. Accessed May 19, 2022. https://banglajol.info/index.php/JSR/article/view/1708.