Book (Practical) Communications business Introduction to Illustration, Industry Research, Latest Trends in the Telecommunications Industry, and A Clearer Picture of This Fourth Edition
※Please note that product information is not in full comprehensive meaning because of the machine translation.
Japanese title: 単行本(実用) 通信事業 図解入門業界研究最新通信業界の動向とカラクリがよくわかる本 第4版