Marks John L <br/><br/>
Teaching elementary school mathematics for understanding 

 - 3d ed 
 - New York  McGraw-Hill  1975 
 - viii,406 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>372.7  / TEA