劉永信

Overview

Works:	2 works in 2 publications in 1 languages

Titles

電子商務系統 by: 劉永信; 張耀仁 (Language materials, printed) , [編著]

電子商務系統與安全電子交易 by: 劉永信; 張耀仁 (Microfilm) , [撰]

Subjects