Mawlood, K. I. . . and Othman , S. A. . (2023) “Statistical analysis of COVID-19 in Erbil-Kurdistan/Iraq: Using Parametric Survival Models”, Polytechnic Journal of Humanities and Social Sciences, 4(2), pp. 107-115. doi: 10.25156/ptjhss.v4n2y2023.pp107-115.