Lakshmi, P. Vara, V. Saritha, K. Swetha Chowdhary, G. Mallika, and B. S. S. S. Harish Kumar. “Biosand Filter for Removal of Chemical Contaminants from Water”. Advances in BioScience 3, no. 2 (April 1, 2012): 103–108. Accessed November 23, 2024. https://journals.sospublication.co.in/ab/article/view/70.