[1]
Homagai, P.L. and Poudel, S. 2018. Effective Removal of Nitrate, Nitrite, Ammonia and Iron from Contaminated Ground Water using Bio-Sand Method and Sponge Layer Filtration Method. Journal of Nepal Chemical Society. 39, (Dec. 2018), 34–45. DOI:https://doi.org/10.3126/jncs.v39i0.27019.