Yoshifumi Yamagata

title	ISBN-13 (ISBN-10)	year of publica- tion	other author(s)
Yabai keieigaku: Sekai no bijinesu de okonawarete iru futsugo na shinjitsu.	978-4-492-5O246-4 (4-492-5O246-7)	2013	Freek Vermeulen · Ryuichiro Motoki