The learning of mathematics, its theory and practice. 

 - Washington, D. C. :  The National Council of Teachers of Mathematics,  1953. 
 - ix, 355 p. :  ill. ;  24 cm. 
<br/><br/><label>LCCN: </label>53-001499 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.