ISBN 9784822263676 books & textbook

Kawase ga wakareba bijinesu ga kawaru : Nyusu to ki wado de yomitoku kawase no kihon.

Nikkeibipisha : Nikkeibipimaketingu. /2014-04-01 Tankobon Hardcover
isbn-10: 4822263673 / isbn-13: 9784822263676