Psychology : applied to business and industry 
Sanchez, Custodiosa Ancheta. 
 - revised edition. 
 -  National Book Store, Inc.  1987 
 - xiii, 176 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71083881-4 
<br/><br/><label>Dewey Class. No.: </label>F 158.7 Sa5p 1987