Human resources management : principles & practices 
Martires, Concepcion Rodil. 
 - Revised edition. 
 -  National Book Store, Inc.  1991 
 - xiv, 458 pages 
9-71086011-9
Personnel management.
F 658.3 M36h 1991
                        9-71086011-9
Personnel management.
F 658.3 M36h 1991