Khan M, Rahman M, Rokanuzzaman M. Assessment of Arsenic Concentration in Ground Water of Tube Wells in Selected Primary Schools’ at Palashbari Upazila of Gaibanda District. J. Environ. Sci. & Natural Resources [Internet]. 2012 Mar. 22 [cited 2025 Sep. 21];4(2):115-20. Available from: https://banglajol.info/index.php/JESNR/article/view/10159