박성쾌 2018-11-15T08:27:19Z 2018-11-15T08:27:19Z 1990-12 JRD13-1,2-03 http://repository.krei.re.kr/handle/2018.oak/15800 KREI Technological Structure and Efficiency of Korean Native-Beef Preduction Technological Structure and Efficiency of Korean Native-Beef Preduction KREI 논문 Park, Seongkwae