Saritha, V., R., P., Chowdhary, K., Mallika, G. and Kumar, B. (2012) “Biosand Filter for Removal of Chemical Contaminants from Water”, Journal of Advanced Laboratory Research in Biology, 3(2), pp. 103-108. Available at: https://e-journal.sospublication.co.in/index.php/jalrb/article/view/108 (Accessed: 20September2018).