Kin'gamin'ga hal ttae p'yŏlch'yŏ ponŭn parŭn mal sajŏnKyu-byŏng Yŏ · First published 2010Open the Tome
Int'ŏnet chŏnhwa kin'gŭp t'ongsin mit MoIP ŭngyong p'yojun kaebal =Han'guk Chŏnja T'ongsin Yŏn'guwŏn · First published 2008Open the Tome
Kungmin kich'o saenghwal pojangpŏp kwa kin'gŭp pokchi chiwŏnpŏp sang ŭi pin'gonch'ŭng chiwŏn ch'egye e taehan ippŏp p'yŏngkaYun, Sŏk-chin (Legal researcher) · First published 2010Open the Tome