Malekzadeh, R., Tavana, M., Abedi, G., Ziapour, A. and Abedini, E. (2023) “Comparing the Efficiency of Hospitals in Northern Iran Before and After the Covid-19 Pandemic Using the Pabon Lasso Model ”, Africa Journal of Nursing and Midwifery, 25(2), p. 15 pages. doi: 10.25159/2520-5293/13774.