Journal of Natural Resources, Volume. 35, Issue 9, 2120(2020)
Research progress of sustainable cities and its implications for national territory spatial plan
Fig. 1. The quantitative changes of Chinese and English literature on "sustainable cities" from 1991 to 2018
Fig. 2. Time-line view of co-cited international literature analysis during 1998-2018
Fig. 3. The co-occurrence of keywords in international sustainable cities research from 1998 to 2018
Fig. 4. International cooperation of countries in "sustainable cities" research from 1998 to 2018
Fig. 5. The co-occurrence of keywords in Chinese sustainable cities research
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Xiao-dan ZHU, Chao YE, Si-meng LI. Research progress of sustainable cities and its implications for national territory spatial plan[J]. Journal of Natural Resources, 2020, 35(9): 2120
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Received: Jan. 20, 2020
Accepted: --
Published Online: Apr. 21, 2021
The Author Email: YE Chao (yeover@163.com)