杨开华高兴地说。
杨开忠,迈向空间一体化,四川人民出版社,1993年。
Toward Spatial Integration: Market Economy and Regional Development in China, Sichuan Renmin Press, Chengdu, 1993.
杨开忠,一般持续发展论(上、下),中国人口资源与环境1994年第3、4期。
General theories of Sustainable Development, China Population, Resources and Environment, No. 3 and No. 4, 1994.
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