Chi-yŏn Ha

• Ilcheyŏn'gu
• Ilcheyŏn'gu
• Kik'uch'i Kenjo, Han'guksa rŭl yurin hada
• Singmin sahak kwa Han'guk kŭndaesa
• Singminji Chosŏn nongch'on ŭi Ilbonin chiju wa Chosŏn nongmin