Abdulrahman , Akram M. “Mapping a Survey for Soil Fertility in Tainal Watershed (Bazian Plane) Sulaimaniyah Ecosystem Using Application of GIS”. Kufa Journal for Agricultural Sciences 13, no. 1 (January 6, 2021): 22–34. Accessed November 14, 2026. https://journal.uokufa.edu.iq/index.php/kjas/article/view/3306.