Gattegno, C. <br/><br/>
For the teaching of mathematics / 
C. Gattegno. 
 - Reading, U.K. :  Educational Explorers,  1963. 
 - 2 v. 
 - Mathematics teaching series ;  v.1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.<br/>Mathematics.