ISBN 9780750709897 books & textbook
Radical Constructivism in Action: Building on the Pioneering Work of Ernst von Glasersfeld (Studies in Mathematics Education Series)
Steffe, Leslie P. Thompson, Patrick W.
Routledge /2000-04-27 Hardcover / 344 Pages
isbn-10: 0750709898 / isbn-13: 9780750709897
