Green, Gion. <br/><br/>
Introduction to security :  instructor's manual / 
Gion Green. 
 - 3rd edition. 
 - Boston :  Butterworth Publishers,  1981. 
 - 147 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0409950467 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industry--Security measures.<br/>Retail trade--Security measures.<br/>Electronic data processing departments--Security measures.