Kapoor, Shelly, and Madhu Kaul. “Efficiency of Household Water Filters on Bacteriological Quality of Drinking Water in Chandigarh”. The Indian Journal of Nutrition and Dietetics 36, no. 11 (November 1, 1999): 484–489. Accessed April 28, 2024. https://www.informaticsjournals.com/index.php/ijnd/article/view/7070.