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APA Citation
Peng, W., Wang, X., Li, X., & He, C. (2018). sustainability evaluation based on the emergy ecological footprint method: A case study of Qingdao, China, from 2004 to 2014. Ecological indicators, 85, 1249–1261. http://access.bl.uk/ark:/81055/vdc_100054582740.0x000026