Man, values, and work ethics 
Ramirez, Luzviminda F. 
 -  Trinitas Publishing, Inc.  2004 
 - 149 pages. 
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<br/><br/><label>ISBN: </label>9-71420583-2 
<br/><br/><label>Dewey Class. No.: </label>F 174 R14m 2004