이중웅 이두순 정명채 권태진 김종숙 2018-11-15T07:39:32Z 2018-11-21T01:19:22Z 1981-03 C1981-01 http://repository.krei.re.kr/handle/2018.oak/12967 한국농촌경제연구원 1980년산 잠견생산비 조사보고 A report on the production costs of silkworms in 1980 KREI 보고서 Lee, Joongwoong Lee, Doosoon Joung, Myoungchae Kwon, Taejin 9999-12-31 9999-12-31 9999-12-31 잠업 생산비