Kodomo no keitai denwa tō no riyō ni kansuru chōsa
Publisher: Fujitsū S̄ken
Published: 2009
Place of publication: [Tokyo]
Language: jpn
Subjects: Cell phones and teenagers
Notes: Cover title.

"Heisei 20-nendo Monbu Kagakushō itaku jigyō, sentanteki na jōhō tsūshin gijutsu o katsuyōshita kyōiku gakushū ni kansuru chōsa"