Alam FMA, Islam MS, Ghosh GC, Yeasmin T. Assessing the drinking water quality and performance of pond sand filters (PSF) in coastal area of Bangladesh: a cross sectional study on dacop upazila of Khulna. IJAG [Internet]. 2017 Jul. 16 [cited 2024 Oct. 20];5(2):69-74. Available from: https://sciencepubco.com/index.php/IJAG/article/view/7924