Kelley, John L. <br/><br/>
Elementary mathematics for teachers / 
John L. Kelley, Donald Richert 
 - San Francisco :  Holden-Day,  1970 
 - 371 p. 32 p. :  ill. (some col.) ;  23 cm. 
<br/><br/><label>ISBN: </label>0816246548 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)