Dare mo shiranakatta kētai sedai
Subtitle: kētai ga kaeru wakamono māketingu
By: Ichikawa Shigehiro.
Publisher: Tōyō Keizai Shinpōsha; Tōyō Keizai Shinpō-sha
Published: 2007
Place of publication: Tōkyō
Language: jpn
Number of pages: 194
ISBN-13: 9784492555910
Subjects: Cellular telephone systems -- Japan; Mobile communication systems -- Japan; Young people -- Japan -- Attitudes
Other titles: Kētai sedai