옥영수 이희찬 박성쾌 2018-11-15T07:52:41Z 2018-11-15T07:52:41Z 1987-09 R142 http://repository.krei.re.kr/handle/2018.oak/14190 내수면어업 생산고통계조사 개선방안 Measures to Improve the Production Statistical Method for Inland Water Fishery KREI 보고서 Ock, Youngsoo Park, Seongkwae