Shrestha, Rajani, Dev Raj Joshi, Jyotsna Gopali, and Sujan Piya. 2010. “Oligodynamic Action of Silver, Copper and Brass on Enteric Bacteria Isolated from Water of Kathmandu Valley”. Nepal Journal of Science and Technology 10 (April):189-93. https://doi.org/10.3126/njst.v10i0.2959.