登入
選單
返回
Google圖書搜尋
The Changing Telecommunication Environment
International Telecommunication Union. Advisory Group on Telecommunication Policy
其他書名
Policy Considerations for the Members of the ITU
出版
International Telecommunication Union
, 1989
URL
http://books.google.com.hk/books?id=m7ciAQAAIAAJ&hl=&source=gbs_api