Butler, Charles H. <br/><br/>
The Teaching of Secondary Mathematics 

 - New York:  McGraw-Hill Book Company,  1951. 
 - 613p.;  24cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510.7  / BUT