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1Che 6-hoe Sanŏp, Chigŏppyŏl Koyong Kujo Chosa mit Chʻŏngnyŏn Paenŏl Simpojiŏm = 6th Occupational Employment Statistics/Youth Panel제6회산업직업별고용구조조사및청년패널심포지엄 = 6th Occupational Employment Statistics/Youth PanelPublished 2008
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