이중웅 이두순 권태진 2018-11-15T07:51:19Z 2018-11-15T07:51:19Z 1980-12 R018 http://repository.krei.re.kr/handle/2018.oak/14064 수도병충해 방제체제 개선에 관한 연구 A Study of Improving the Prevention System against Diseases and Insect Damages KREI 보고서 Lee, Joongwoong Lee, Doosoon Kwon, Taejin