Mathematics for the elementary school :  grade 4 / 
School Mathematics Study Group. 
 - California:   School Mathematics Study Group,   1964.  
 - v. ;  24 cm. 
 -  26 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>Dewey Class. No.: </label>372.7