البدراني ظ.ر., ابراهيم ع.س. and اسماعيل ن.س. (2016) “Modeling sequential preparation with rheumatoid tonsils in Nineveh for the period 2004-2009”, Journal of Economics and Administrative Sciences, 22(92), p. 438. doi:10.33095/jeas.v22i92.465.