ASWAD, F.K., YOUSIF, A.A. and IBRAHIM, S.A. 2021. TREND ANALYSIS USING MANN-KENDALL AND SEN’S SLOPE ESTIMATOR TEST FOR ANNUAL AND MONTHLY RAINFALL FOR SINJAR DISTRICT, IRAQ. Journal of Duhok University. 23, 2 (Jan. 2021), 501-508. DOI:https://doi.org/10.26682/csjuod.2020.23.2.41.