Sab,y, A.M. and Mohammed, A.A.K. 2019. Statistical Analysis of the Effects of Drought, Prediction and Classification in Salahuddin Province. Journal of Tikrit University for Humanities. 26, 11 (Dec. 2019), 226–253. DOI:https://doi.org/10.25130/jtuh.26.11.2019.12.