01133nam a2200277 k 4500001001500000005001500015008004100030040001900071049002600090052002100116056001300137082001600150110005200166245011600218260004800334300003000382440005300412500004800465504003100513653009000544700005700634700006300691700006300754950002100817965001700838KMO199014638  20180704105222910321s1989    ulka          000   kor    a011001c0110010 lEM783582lEM783583c201a522.2b한472ㄱ  a522.2230 a343.076219  a한국농촌경제연구원,e편0KAB20130004410a耕地資源의 效率的 利用을 위한 生産體系 定立方案 硏究/d韓國農村經濟硏究院 [편]  a서울:b韓國農村經濟硏究院,c1989  avii,114p.:b삽도;c23cm00a硏究報告 - 韓國農村經濟硏究院;v197  a연구자 : 李貞煥, 趙德來, 曺在煥  a참고문헌 : p.113 - 114  a경지자원a이용a생산체계a정립방안a연구a한국농촌경제연구원1 a이정환,g李貞煥,d1946-,e연구0KAC2016015381 a조덕래,g趙德來,d1953-,e공동연구0KAC2014301161 a조재환,g曺在煥,d1958-,e공동연구0KAC2018152951 a비매품b\2600  a농업정책