The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
hui se wen xian de zuo yong ji qi kai fa
Author(s): 
Pages: 45-46
Year: Issue:  3
Journal: HEBEI SCI-TECH LIBRARY JOURNAL

Keyword:  灰色文献文献开发;
Abstract: 各种类型的灰色文献都具有自己的特点,对教学、科研、经济和贸易等各个领域起着独特的重要作用,有必要采取有效措施加以开发和利用.
Related Articles
loading...