Chae-ok Chang

• Dijitʻŏl ŭmak sŏbisŭ wa chŏjakkwŏn ŭi kanjŏp chʻimhae
• Sŭpʻochʻŭ eijŏntʻŭ pŏpche toip e kwanhan yŏnʼgu
• Sŭpʻochʻŭ pŏpche ŭi kaesŏn panghyang e kwanhan yŏnʼgu