TY - Acta Geographica Sinica A1 - DONG Xuewang, ZHANG Jie, LIU Chuanhua, LI Min, ZHONG Shi'en T1 - Bias Analysis and Reliability and Validity Test in Contingent Valuation Method:A Case Study of Assessment of Jiuzhaigou's Recreational Value Y1 - 2011-02-20 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 267 EP - 278 VL - 66 IS - 2 UR - {https://www.geog.com.cn/EN/10.11821/xb201102012} N1 - 10.11821/xb201102012 ER -