Analyzing the Risk of Heavy Metal Pollution in Wastewater from the Open Drainage System in Rajshahi City, Bangladesh. Journal of Engineering Science, [S. l.], v. 16, n. 1, p. 47–60, 2025. DOI: 10.3329/jes.v16i1.82666. Disponível em: https://banglajol.info/index.php/JES/article/view/82666. Acesso em: 24 jun. 2026.