Rajbhandari, R., Shrestha, L.K. and Pradhananga, R.R. 2011. Preparation of Activated Carbon from Lapsi Seed Stone and its Application for the Removal of Arsenic from Water. Journal of the Institute of Engineering. 8, 1-2 (Jul. 2011), 211–218. DOI:https://doi.org/10.3126/jie.v8i1-2.5113.