강정일 오세익 최지현 기칠능 이인순 2018-11-15T07:40:45Z 2018-11-21T01:19:42Z 1986-12 C1986-07 http://repository.krei.re.kr/handle/2018.oak/13075 농협농약공급제도 개선방안연구 A study on the measures to improve the pesticide supply system of agricultural cooperatives KREI 보고서 Kang, Jungil Oh, Seik Choi, Jihyeon 9999-12-31 9999-12-31