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won ho researcher in rural economic development
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Nongga kyŏngyŏng anjŏng ŭl wihan nongŏp suip pohŏm chedo toip e kwanhan yŏn'gu
Chŏng, Wōn-ho (Researcher in rural economic development) · Han'guk Nongch'on Kyŏngje Yŏn'guwŏn
129 sayfa · 2013
Agricultural insurance / Farm income