“Insight of Riverbank Filtration System at Haridwar for Enhancement of Drinking Water Quality”, Int. J. Curr. Eng. Technol., vol. 3, no. 4, pp. 1264–1270, Oct. 2013, Accessed: Apr. 04, 2026. [Online]. Available: https://ijcet.evegenis.org/index.php/ijcet/article/view/130