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1Han'guk ŭl mŏgyŏ sallil noksaek yunghap pijŭnisŭ /한국 을 먹여 살릴 녹색 융합 비즈니스 /by Chʻa, Wŏn-yong
Published 2009
Book -
2Mirae kisul kyŏngyŏng tae yechʻŭk : maetʻŭriksŭ bijŭnisŭ /미래기술경영대예측 : 매트릭스비즈니스 /by Chʻa, Wŏn-yong
Published 2006
Book