Prof. Dr. Mohamad Suhaimi JaafarNASSAR ALI MOHAMMED ALNASSAR2022-05-192022-05-1936969https://drepo.sdl.edu.sa/handle/20.500.14154/15887NATURAL RADIOACTIVITY AND RADON CONCENTRATION IN SOIL AND WATER FROM NON-CULTIVATED AND CULTIVATED AREA OF SEBERANG PERAI, MALAYSIAThesis