정찬길 2018-11-15T08:27:02Z 2018-11-15T08:27:02Z 1987-12 JRD10-2-04 http://repository.krei.re.kr/handle/2018.oak/15774 KREI Agricultural Marketing Development Plan for the Mahaweli Area of SriLanka Agricultural Marketing Development Plan for the Mahaweli Area of SriLanka KREI 논문 Chung, Chankil