강정일 2018-11-15T08:26:52Z 2018-11-15T08:26:52Z 1986-12 JRD09-2-02 http://repository.krei.re.kr/handle/2018.oak/15758 KREI Supply, Demand and Marketion of Fertilizer in the Republic of Korea Supply, Demand and Marketion of Fertilizer in the Republic of Korea KREI 논문 Kang, Jungil