Integrated assessment of physicochemical, microbial, and heavy metal pollution in theshitalakshya river, bangladesh: implications for water quality, ecological and health risks. J Bangladesh Acad Sci [Internet]. 2026 Jun. 30 [cited 2026 Jul. 4];50(2):299-314. Available from: https://www.banglajol.info/index.php/JBAS/article/view/90660