Korea (South). Nongsusanbu

• 1984-yŏndo nongŏmin hugyeja mit saŏp kyehoek
• Kani nongŏp chosa, 1985
• Nongga kyŏngje chosa kyŏlgwa pogo
• Nongŏp tonghyang e kwanhan yŏnchʻa pogo
• Shusan danchi sōgō kaihatsu keikaku