Water Quality Assesment of Bagmati River in Kathmandu Valley. [printed text] / Barakoti, Mina . - Kirtipur : TU, 2014. - 83 p Water by Activated Carbons Prepared from Lapsi Seed Stone. [printed text] / Shrestha Rajeswor Man . - Kirtipur : TU, 2015. - 182 p.