Business Information Research (Firm : Korea)
2012 chŏn'gich'a sijang tonghyang kwa kungnae ch'amyŏ kiŏp hyŏnhwang
2012-yŏn kungnae ICT sanŏp tonghyang kwa haeksim yunghap kisul kaebal chŏllyak
2012-yŏn noksaek kisul, ch'ŏmdan yunghap kisul yŏn'gu kaebal t'ema wa kaebal chŏllyak
Kungnaeoe sujawŏn hyŏnhwang kwa sujawŏn kisul kaebal tonghyang
Pandoch'e changbi sanŏp tonghyang kwa chŏngch'aek panghyang
U-k'ŏmp'yut'ing sanŏp tonghyang kwa chŏngch'aek panghyang