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), pp. 77–89. doi: 10.3126/jiee.v6i1.61566.