Alusik, John. <br/><br/>
Illustrated handbook of general science teaching aids /    
John Alus ik. 
 - West Nyack :   parker Publishing Co.,   1973. 
 - 200 p. :    ill. ;    25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Secondary).------<br/>Science --Study and teaching (Secondary).------
<br/><br/><label>Dewey Class. No.: </label>507.8 ALU