SuÌ"ji no tsubo = Developing a mind for math: Kimetsuke joÌ"shiki yaburi zakkuri: Naze gyuÌ"don'yoÌ" otama no ana wa 47ko nanoka

by Shin'ya Yamada Tankobon Hardcover details (USA). ISBN: 978-4-8334-5036-2 ISBN-10: 4-8334-5036-4 ToÌ"kyoÌ" : Purejidentosha, 2008. · 2008