IONIZING RADIATION
SINARAN PENGION
NATURAL SOURCES MAN MADE SOURCES
SUMBER TABII SUMBER BUATAN
NUCLEAR TEST/PLANT
COSMIC & TERESTRIAL
UJI AN NUKLEAR
RADON/THORON MEDICAL RADIOLOGY
PROGENY PERUBATAN RADIOLOGI
HUMAN BODY OCCUPATIONAL USAGE
TUBUH MANUSIA BHN RADIOAKTIF UTK KEPERLUAN KHUSUS
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