Krulik, Stephen. <br/><br/>
A handbook of aids for teaching junior-senior high school mathematics. 

 - Philadelphia :  Saunders,  c1971. 
 - viii, 120 p. :  illus. ;  26 cm. 
<br/><br/><label>ISBN: </label>0721655408 
<br/><br/><label>LCCN: </label>70135330 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Secondary)<br/>Teaching--Aids and devices.
<br/><br/><label>LC Class. No.: </label>QA11  QA11  / .K78  / .K78 
<br/><br/><label>Dewey Class. No.: </label>510/.71/2