RAND O. Farqad, Rasheed M. Yousuf, and Nabhan A. Hamdoon. 2022. “DETERMINATION OF RADON AND URANIUM CONCENTRATION IN THE PETROLEUM PRODUCTS AT THE ALQAYARA AND ALKASIK NINEVAH GOVERNATE REFINERIES”. World Bulletin of Social Sciences 10 (May):48-56. https://scholarexpress.net/index.php/wbss/article/view/963.