Rōji rō seishin hakujakuji tō no gengo shūtoku to tayō na komyunikēshon no ōyō ni kansuru kenkyū
Subtitle: tokubetsu kenkyū hōkokusho
Publisher: Kokuritsu Tokushu Kyōiku Sōgō Kenkyūjo
Published: 1986
Place of publication: Yokosuka-shi
Language: jpn
Number of pages: 143
Subjects: Education; Deaf; Means of communication
Notes: Cover title.

"Tokushuken C-113."

Errata slip inserted.

Includes bibliographies.