Butler Charles H. <br/><br/>
Teaching of secondary mathematics 

 - New York  McGraw Hill Book Company USA     1960 
<br/><br/><label>Standard No.: </label>90286 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>T2:3(B), K0