ISBN 9780471693352 books & textbook
Mathematical Discovery, Volume II, On Understanding, Learning, and Teaching Problem Solving
John Wiley & Sons, Inc. /1965T Hardcover / 215 Pages
isbn-10: 0471693359 / isbn-13: 9780471693352
John Wiley & Sons, Inc. /1965T Hardcover / 215 Pages
isbn-10: 0471693359 / isbn-13: 9780471693352