Teaching elementary school mathematics/
Mahaffey, Michael L-
Teaching elementary school mathematics/ Michael L. Mahaffey and Alex F. Perrodin. - Itasca, Ill. Peacock 1973 - x, 357 p.: illus.; 24 cm.
Bibliography: p. 316-345.
76-138646
Mathematics--Study and teaching (Elementary)
Teaching elementary school mathematics/ Michael L. Mahaffey and Alex F. Perrodin. - Itasca, Ill. Peacock 1973 - x, 357 p.: illus.; 24 cm.
Bibliography: p. 316-345.
76-138646
Mathematics--Study and teaching (Elementary)
