Han-Il ŏmin ŭi chŏpchʻok kwa machʻalKye-yŏl Yi, Hun Yi, Sŏng-il Chŏng, Kwang-sun Pak · First published 2008Open the Tome
Han-Il FTA ka chuyo pupʻum, sojae sanŏp e michʻinŭn yŏnghyangKwang-sun Pak · First published 2005Open the Tome
Robotʻŭ sanŏp ŭi palchŏn chʻui wa kungnae suyo chŏnmangKwang-sun Pak · First published 1992Open the Tome
Kongjang chadonghwa ŭi chinjŏn kwa hamnijŏk chŏnʼgae panghyangKwang-sun Pak · First published 1989Open the Tome