성배영 2018-11-15T08:26:23Z 2018-11-15T08:26:23Z 1982-12 JRD05-2-01 http://repository.krei.re.kr/handle/2018.oak/15710 KREI Marketion Costs and Margins for Major Agricultural Products in Korea Marketion Costs and Margins for Major Agricultural Products in Korea KREI 논문 Sung, Baiyung