Farhan, Salah Murshid, Mohammed A. Abood, and Muthana KH. Ibrahim. 2015. “EFFECT OF PHYSIOGRAPHIC LOCATION ON SOIL QUALITY DEGRADATION IN IRAQI MESOPOTAMIAN PLAIN USING GIS”. Diyala Agricultural Sciences Journal 7 (2):206-15. https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/1574.