ISBN 9784344902640 books & textbook
Kenjin no shigotojutsu : ryūgi o tsuranuku kakugo ga orijinaru no kekka o umu jōshiki o utagatte kabe o yabure
Hisashi Sakamaki; Kazuyoshi Komiya; Hiroshi Ikushima; Kaori Sasaki; Miki Watanabe
Tōkyō : Gentōsha, 2013. /2013-01-01 Tankobon Hardcover
isbn-10: 4344902645 / isbn-13: 9784344902640
