Seishōnen to keitai denwa tō ni kansuru chōsa kenkyū hōkokusho.
Contributors: Japan. Seishōnen Taisaku Honbu.
Publisher: Sōmuchō Seishōnen Taisaku Honbu
Published: 2000
Place of publication: [Tokyo]
Language: jpn
Number of pages: 142
Subjects: Youth -- Japan -- Attitudes; Cell phones -- Japan
Notes: Cover title.