Title: Kaein pʻipʻok sŏllyang chʻŭkchŏng kigwan ŭi sŏllyang chʻŭkchŏng ŭl wihan pʻumjil kwalli =
First published: 2007
Subjects: Radiation workers, Health and hygiene, Radiation dosimetry, Radiation, Safety measures
LC classification: RC965.R25 C43 2007