Ji shu jing ji xiao yi fen xi fang fa
By: Zhao Yingcai, Sun Yujun bian zhu
Contributors: Sun, Yujun
Edition: Beijing di 1 ban
Publisher: Ji xie gong ye chu ban she; Xin hua shu dian Beijing fa xing suo fa xing
Published: 1985
Place of publication: Beijing Shi
Language: chi
Number of pages: 219
Subjects: Technological innovations; Cost effectiveness; Economic aspects