商品房住宅区公共物业自治管理制度分析以上海市水仙苑小区为例商品房住宅區公共物業自治管理製度分析以上海市水仙苑小區為例 상품방주택구공공물업자치관리제도분석이상해시수선원소구위례 An Analysis of the Self-Governed Property Owners' Collective Supervisory System in the Residential Real Estate Business: The Case of Narcissus Garden in Shanghai