Debendra Bahadur Raut and Bishal Kumar 2023. Analysis of solar power Return-on-Investment for hospitals in Nepal with Pressure Swing Adsorption (PSA) Oxygen plants - A case study of provincial hospital, Surkhet, Nepal. Journal of Innovations in Engineering Education. 6, 1 (Dec. 2023), 77–89. DOI:https://doi.org/10.3126/jiee.v6i1.61566.