Larsen, Max D. <br/><br/>
Essentials of elementary school mathematics 
Max D. Larsen and James L. Fejfar 
 - New York:  Acacemic Press,  1974. 
 - xx,410p. 
<br/><br/> Includes bibliography and index 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics-Study and teaching-Elementary
<br/><br/><label>Dewey Class. No.: </label>510  / LAE