Zenkoku nanchō, gengo shōgai gakkyū jittai chōsa hōkokusho
Subtitle: Heisei 4-nendo shinshin shōgaiji no kyōiku shidō no kaizen ni kansuru chōsa fukyū jigyō
By: [henshū Chōkaku Gengo Shōgai Kyōiku Kenkyūbu]
Publisher: Kokuritsu Tokushu Kyōiku Sōgō Kenkyūjo Chōkaku Gengo Shōgai Kyōiku Kenkyūbu
Published: 1993
Place of publication: Yokosuka-shi
Language: jpn
Number of pages: 65
Subjects: Speech disorders in children; Hearing impaired children; Education; Study and teaching; Children with disabilities
Notes: Cover title.

"Tokushuken B-92."