najem Al ibrahimi, s.
(2019).
 The spatial relationship between the quality and productivity of groundwater and soil in the district of Samarra using (GIS).
<em>Journal Of Tikrit University For Humanities - مجلة جامعة تكريت للعلوم الانسانية, 25</em>(12), 315-336.
doi:10.25130/hum.v25i12.118