Kuronikuru kyōiku kaikaku
By: Nakamura Itsuo ... [et al.].
Series: Chōsa to jōhō -- dai 21-23-gō = -- Issue brief -- no. 0021-0023; Chōsa to jōhō -- dai 21-23-gō.
Publisher: Chōsa oyobi Rippō Kōsakyoku
Published: 1987
Place of publication: Tōkyō
Language: jpn
Other titles: Kyōiku kaikau.