Su-sŏk Kim

• Chibang nongjŏng kŏbŏnŏnsŭ sŏnjinhwa chŏllyak kwa kwaje
• Chongja sanŏp ŭi toyak ŭl wihan palchŏn chŏllyak
• Kyŏngje, sahoe yŏkŏn pyŏnhwa e ttarŭn nongji chedo kaepʻyŏn pangan
• Nongŏp, nongchʻon kwallyŏn tʻochʻak chawŏn ŭi kwŏlli poho chʻegye surip pangan