Bishnoi S, Sundaram P, Subramanian P. Comparative Efficiency of Household Water Filters on Bacteriological Quality of Drinking Water. IJND [Internet]. 1993 Sep. 1 [cited 2024 Nov. 7];30(9):259-65. Available from: https://informaticsjournals.co.in/index.php/ijnd/article/view/8104