Zweng, Marilyn (Ed.) et al. Proceedings of the Fourth International Congress on Mathematical Education By Marilyn Zweng (Ed.) et al. - Birkhauser Boston, Inc. 1983 - xv, 722 pages, 29 cm. include index ISBN: 3-7643-3082-1 Subjects--Topical Terms: Mathematics-Study and teaching-Congresses. Dewey Class. No.: 510.71 P94