Dilley, Clyde A.  <br/><br/>
Heath elementary mathematics / 
Clyde A. Dilley, Walter E. Rucker and Ann E. Jackson. 
 - 1st ed. 
 - London :  D. C. Heath,  c 1972. 
 - 316 p. :  24 cm.  ill. ; 
<br/><br/> Includes index. 
<br/><br/>318  318 
<br/><br/><label>ISBN: </label>0-669-59840-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Elementary education--Mathematics.
<br/><br/><label>Dewey Class. No.: </label>372.7 / D583h