De Leon, Emmanuel <br/><br/>Industrial psychology  Emmanuel Dela Cruz  - Manila:  Rex Book Store,  [1993.]  - xiii, 346 pages  23cm. <br/><br/>Bibliography : pages 3454 <br/><br/><label>ISBN: </label>9712311058 <br/><br/><label>LC Class. No.: </label>HF 5548.8   / .D3467 1993