Buffie, Edward G. <br/><br/>
Mathematics :  strategies of teaching / 
Edward G. Buffie, Ronald C. Welch, Donald D. Paige. 
 - Englewood Cliffs, N. J. :  Prentice-Hall,  1968. 
 - 230 p. :  ill. ;  23 cm. 
 - Modern Elementary Methods Series .
<br/><br/> includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary).