ISBN 9784491024455 books & textbook
Sansū kyōiku genron = Elementary school mathematics elements
Tōkyō : Tōyōkan Shuppansha, 2009. /2009-03-01 Tankobon Hardcover
isbn-10: 4491024456 / isbn-13: 9784491024455
Tōkyō : Tōyōkan Shuppansha, 2009. /2009-03-01 Tankobon Hardcover
isbn-10: 4491024456 / isbn-13: 9784491024455