ISBN 9784181759315 books & textbook
Hekotarenai kokoro o sodateru : omo ni shōgakkō kōgakunen chūgakkōmuki
Masashi Fukaya; Hiroshi Uejima; Tatsuya Kise; Kodomo no rejiriensu kenkyūkai.
Tōkyō : Meijitoshoshuppan, 2015. /2015-04-01 Tankobon Hardcover
isbn-10: 4181759318 / isbn-13: 9784181759315
