Swenson, Esther J. <br/><br/>
Teaching Mathematics to Children :  2nd edition / 
Esther J. Swenson. 
 - New York, [London] :  The Macmillan Company, [Collier-Macmillan Publishers],  1978. 
<br/><br/><label>Subjects--Index Terms: </label>მათემატიკა