Khadka, Pratik Raj, Bibek Gautam, Nayan Acharya, Basanta Bhattarai, Subham Kandel, and Sunil` Prasad Lohani. “Design of Solar Water Pasteurization System With Slow Sand Filtration”. Journal of the Institute of Engineering 15, no. 3 (October 15, 2020): 178–182. Accessed May 7, 2024. https://www.nepjol.info/index.php/JIE/article/view/32177.