Roy, Bidhan Bhuson, Rezuana Afrin, Subodhe Chandra Barman, and Md. Younus Mia. 2019. “Physicochemical Status of Sitalakkhya River, an Ecologically Critical Area (ECA) of Bangladesh”. International Journal of Environment, Agriculture and Biotechnology 4 (1). https://journal-repository.com/index.php/ijeab/article/view/672.