Rue, Leslie W. <br/><br/>Supervision:  key link to productivity Leslie W. Rue, Lloyd L. Byars  - Fifth Edition  - Boston, MA:  Irwin McGraw-Hill,   1996  - xviii, 462 pages;  26 cm. <br/><br/><label>ISBN: </label>0256170681 <br/><br/><label>LC Class. No.: </label>HF 5549  / R7825 1996