Zenkoku mōgakkō ni okeru jisaku kyōzai kyōgurui no jittai ni kansuru chōsa hōkokusho
By: [henshū Shikaku Shōgai Kyōiku Kenkyūbu]
Publisher: Kokuritsu Tokushu Kyōiku Sōgō Kenkyūjo Shikaku Shōgai Kyōiku Kenkyūbu
Published: 1989
Place of publication: Yokosuka-shi
Language: jpn
Number of pages: 89