ISBN 4797374942 books & textbook
Gemifikeshon wa nanno yaku ni tatsu noka : Jirei kara manabu omotenashi no mekanikusu.
Hon'yakuka.; Yumemi. Gabe Zichermann; Joselin Linder; Miyuki Tanaka
Esubikurieitibu. /2014-03-01 Tankobon Hardcover
isbn-10: 4797374942 / isbn-13: 9784797374940
