박세권 서보환 2018-11-15T08:27:04Z 2018-11-15T08:27:04Z 1988-06 JRD11-1-02 http://repository.krei.re.kr/handle/2018.oak/15777 KREI Conceptual Design of Agriculrural Information System Conceptual Design of Agriculrural Information System KREI 논문 Park, Seikwon Seo, Bowhan