Yazar
Youjing Zheng
4 cilt bulundu.
Cilt sonuçları
Ji shu jin bu yu xian dai qi ye fa zhan (Xin ji shu ge ming yu guan li xian dai hua cong shu)
Youjing Zheng · Xin hua shu dian Beijing fa xing suo fa xing
158 sayfa · 1987
Technological innovations / Management / Industrial productivity
Jing ji xiao yi wen ti yan jiu
Youjing Zheng · Xin hua shu dian Beijing fa xing suo fa xing
387 sayfa · 1990
Economic policy / Cost effectiveness / Industrial efficiency / Rate of return
技术进步与经济效益
Jingwen Li, Youjing Zheng · Zhongguo cai zheng jing ji chu ban she
369 sayfa · 1989
Technological innovations / Economic aspects
技术进步与产业结构--模型
Jingwen Li, Youjing Zheng, Shouyi Zhang, 范木荣 · Xin hua shu dian jing xiao
340 sayfa · 1989
Technological innovations / Economic conditions / Mathematical models