3Peng Sizhen , Liu Yan , Shi Han 1 2 & Zhong Ping 3 1. The Administrative Centre for China’s Agenda21, Beijing 100089, China,2. Yale School of Forestry & Environmental Studies, New Haven CT 06511, the U.S.A.,3. Department of Environmental Science and Engineering, Sichuan University, Chengdu Sichuan 610065, China.Studies on Barriers for Promotion of Clean Technology in SMEs of China[J].Chinese Journal of Population,Resources and Environment,2005,3(1):9-17. 被引量：1
