Portnoy, Robert A. <br/><br/>
Leadership :  4 competencies for success / 
Robert A. Portnoy. 
 - xv, 220 pages. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0-13-921495-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leadership.<br/>Success.