ISBN 4820803239 books & textbook
Katsuyōryoku o sodateru kokugo jugyō : Pisagata dokkairyoku o ikusei suru jugyō jissenshū 3
Yoshiyuki Shimoda; Sakae Hasegawa; Akito Arima; Kyōiku to chi no katsuyōryoku o kangaeru kai.
Tōkyō : Nihon Hyōjun, 2008. /2008-04-01 Tankobon Hardcover
isbn-10: 4820803239 / isbn-13: 9784820803232
