김학은 2018-11-15T08:26:07Z 2018-11-15T08:26:07Z 1980-12 JRD03-2-02 http://repository.krei.re.kr/handle/2018.oak/15685 KREI Towards Deriving Demand Functions for Public Goods Towards Deriving Demand Functions for Public Goods KREI 논문 Kim, Hakun