Yōji, jidō, seito no gakkōgai katsudō jittai chōsa hōkokusho
Subtitle: Monbushō itaku chōsa : Heisei 6-nen chōsa
Publisher: Seishōnen Kyōiku Katsudō Kenkyūkai
Published: 1995
Place of publication: Chiba-ken Abiko-shi
Language: jpn
Number of pages: 49