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3Chosa tʻonggye wŏlbo = Monthly bulletin조사 통계 월보 = Monthly bulletin조사 통계 월보 = Monthly bulletin조사통계월보 = Monthly bulletinPublished 1982
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4Tʻonggye wŏlbo = Monthly economic statistics통계 월보 = Monthly economic statistics통계월보 = Monthly economic statistics통계월보 = Monthly economic statisticsPublished 1981
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