TY - BOOK AU - Riaz, Muhammad AU - Supervised by Ather Hassan, Dr. TI - Calculation of ionizing radiation element of background level, due to norms 232th, 226ra and 40k and artificial 137CS in soil, air, food and water samples of district sawabi (KPK): Mphil Physics: U1 - 531.122 PY - 2021/// CY - Islamabad PB - Allama Iqbal Open University KW - Dissertations, Academic-- MPhil Physics N1 - HB UR - https://aioupakistan-my.sharepoint.com/:b:/g/personal/aiou_thesis_aiou_edu_pk/ETvA-kn1ViVFp7RxvpFYjtEBpnMF_UShdHf3313aCcOf_w?e=rQY5Yy ER -