技术经济信息
杜文义
SCIENCE & TECHNOLOGY PROGRESS AND POLICY . 1990, (1): 62 -63 . 

  • WeChat Service Account
  • WeChat Official Account
  • WeCom Customer Service
    • Copyright © Science & Technology Progress and Policy
    Tel: (027)87277066 87713900 87277556　
    Address: 6th Floor, Block D, Hubei Science and Education Building, No. 2 Hongshan Road, Wuhan City, China
    Postal Code: 430071
    E-mail: bianwu@kjjb.org
    Technical Support by Beijing Magtech Co. Ltd.