Measurement and Calculation on the Contribution Rate of the Technological Advance of the Primary Industry in Henan Province
Yao Guo DANG;Si Feng LIU;Bing Jun LI;Zhen CHEN;Zhen Jie ZHAI
Systems Engineering - Theory & Practice ›› 2000, Vol. 20 ›› Issue (8) : 95-99.
Measurement and Calculation on the Contribution Rate of the Technological Advance of the Primary Industry in Henan Province
{{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
〈 | 〉 |