ABAAS , EMAAD KAZIM. “CONTOUR MAPS DESCRIPTION OF NATURAL RADIATION IN THE SOIL OF NAJAF PROVINCE”. Journal of Duhok University 25, no. 1 (July 7, 2022): 396-404. Accessed May 7, 2024. https://journal.uod.ac/index.php/uodjournal/article/view/1642.