ISBN 9048161800 books & textbook
Symbolizing, Modeling and Tool Use in Mathematics Education (Mathematics Education Library, 30)
Gravemeijer, K.P Lehrer, R. van Oers, H.J. Verschaffel, Lieven
Springer /2010-12-05 Paperback / 312 Pages
isbn-10: 9048161800 / isbn-13: 9789048161805
