CONSTRUCTIVE FORMALISM ESSAYS ON THE FOUNDATIONS OF MATHEMATICS
R.L.GOODSTEIN,D.LIT.2222 年出版91 页ISBN:
READINGS ON THE DEVELOPMENT OF CHILDREN THIRD EDITION
MARY GAUVAIN AND MICHAEL COLE1993 年出版297 页ISBN:
WORLD EDUCATION ENCYCLOPEDIA A SURVEY OF EDUCATIONAL SYSTEMS WORLDWIDE SECOND EDITION VOLUME 3 S-Z
REBECCA MARLOW-FERGUSON2002 年出版1748 页ISBN: