• 13 Memorial Library

• 13 Sustainable development
• 4 Economic conditions
• 3 Economic development
• 2 Economic policy
• 2 Environmental aspects
• 2 Environmental economics
• 2 Social conditions
• 1 Agricultural laws and legislation
• 1 Agriculture and state
• 1 Carbon dioxide
• 1 Carbon dioxide mitigation
• 1 Economic aspects
• 1 Energy conservation
• 1 Environmental policy
• 1 Environmental protection
• 1 Natural resources
• 1 Recycling (Waste, etc.)
• 1 Sustainable agriculture
• 1 Urban ecology (Sociology)

• 2 Beijing guo ji cheng shi fa zhan yan jiu yuan
• 1 "Zhongguo di tan xun huan nian jian" bian ji wei yuan hui
• 1 Beijing Shi fa zhan he gai ge wei yuan hui
• 1 Beijing shi fan da xue. Ke xue fa zhan guan yu jing ji ke chi xu fa zhan yan jiu ji di
• 1 China. Guo jia ke xue ji shu bu. Nong cun yu she hui fa zhan si
• 1 China. Nong ye bu. Chan ye zheng ce yu fa gui si
• 1 Ding, Xiangyang
• 1 Guizhou da xue. Guiyang chuang xin qu dong fa zhan zhan lüe yan jiu yuan
• 1 Guo wu yuan fa zhan yan jiu zhong xin (China)
• 1 Shanghai she hui ke xue yuan. Sheng tai jing ji yu ke chi xu fa zhan yan jiu zhong xin
• 1 United Nations Development Programme (China)
• 1 Xi nan cai jing da xue (China). Lü se jing ji yu jing ji ke chi xu fa zhan yan jiu ji di
• 1 Xie, Zhenhua
• 1 Yunnan Sheng di fang zhi bian zuan wei yuan hui
• 1 Zhongguo 21 shi ji yi cheng guan li zhong xin
• 1 Zhongguo fa zhan yan jiu ji jin hui
• 1 Zhongguo jing ji jing qi jian ce zhong xin
• 1 Zhongguo ke xue yuan. Ke chi xu fa zhan yan jiu zu

• 2 Shanghai
• 1 Beijing
• 1 Beijing (China)
• 1 Chine
• 1 Shanghai (China)
• 1 Yunnan Sheng
• 1 Yunnan Sheng (China)

Limit year range