The common sense of teaching mathematics /
Gattegno, Caleb
The common sense of teaching mathematics / by Caleb Gattegno - Educational Solutions : New York, 1974 - ix, 129 p. : illus. ; 22 cm.
Bibliography: p. 129
0878250247
Mathematics--Study and teaching (Elementary)
The common sense of teaching mathematics / by Caleb Gattegno - Educational Solutions : New York, 1974 - ix, 129 p. : illus. ; 22 cm.
Bibliography: p. 129
0878250247
Mathematics--Study and teaching (Elementary)
