Yong-nyŏl Kim

1968

• Chiyŏk tanwi ŭi nonggongsang yŏndae pangan kwa hwaktae kanŭngsŏng
• Nongch'on sanŏp t'onggye, tonghyang punsŏk ŭl t'onghan 6-ch'a sanŏp palchŏn chŏllyak yŏn'gu