ISBN 4526071331 books & textbook
Tokoton yasashii tennen gasu no hon
Kazuo Fujita; Tsuneo Shimamura; Hiroyuki Ihara; Akio Sasaki;
Tōkyō : Nikkankōgyōshinbunsha, 2013.9. /2013-09-01 Tankobon Hardcover
isbn-10: 4526071331 / isbn-13: 9784526071331
