NAJEM AL IBRAHIMI, suhaila. The spatial relationship between the quality and productivity of groundwater and soil in the district of Samarra using (GIS). Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية, [S.l.], v. 25, n. 12, p. 315-336, mar. 2019. ISSN 1817-6798. Available at: <http://jtuh.tu.edu.iq/index.php/hum/article/view/118>. Date accessed: 20 may 2024. doi: http://dx.doi.org/10.25130/hum.v25i12.118.