ISBN 4847019148 books & textbook
Kokansetsutsū wa kowakunai : Itami o yawarage kokansetsu o nagamochisaseru saishin mesoddo
Tōkyō : Wanipurasu, Tōkyō : Wanibukkusu. 2010 ; /2010-08-01 Tankobon Hardcover
isbn-10: 4847019148 / isbn-13: 9784847019142
