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논문
1 A STUDY OF ARTICLES RELATED ON ASTRONOMY PUBLISHED IN NORTH KOREA MEDIA
YANG, HONG-JIN;KIM, SYEUN;YIM, INSUNG;HONG, JEONGYOO;CHOI, HYUN-KYOO;KANG, HOJYE; / The Korean Astronomical Society , v.35, no.2, pp.19-27,