Dhahir, Dhahir, Hussien Abid Ali Mraity, Ali Abid Abojassim, Laith Najam Najam, & Hashim Yousef Yaqoub Al-kazrajy. " NATURAL RADIOACTIVITY LEVELS IN SOIL SAMPLES OF SOME SCHOOLS IN AL-SHATRAH CITY AT DHI QAR GOVERNORATE, IRAQ." Malaysian Journal of Science [Online], (2020): 104-114. Web. 26 Feb. 2021