Sachiko Yokoi

title	ISBN-13 (ISBN-10)	year of publica- tion	other author(s)
Roshiago Nōryoku Kentei Shiken Gōkaku Eno Tebiki: Sankyū Yonkyū Taisaku Mondaishū	978-4-88896-354-1 (4-88896-354-1)	2005	Chinatsu Kitaoka · Yukari Miura