Human resource development : principles & practice 
Martires, Concepcion Rodil. 
 - revised edition. 
 -  National Book Store.  1991 
 - xiv, 458 pages. 
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<br/><br/><label>ISBN: </label>9-71085114-4 
<br/><br/><label>Dewey Class. No.: </label>F 658.3 M36h 1991