Ms Asifa Khatun, et al. “ADDRESSING OXYGEN SURGE DURING COVID-19 2ND WAVE IN PUBLIC SECTOR HOSPITALS IN WEST BENGAL”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 30, no. 17, Sept. 2023, pp. 2364-9, https://doi.org/10.53555/jptcp.v30i17.2986.