Selk, Jason, <br/><br/>
Executive toughness :  the mental-training program to increase your leadership performance / 
Jason Selk 
 - 1 online resource 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781260135305 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Executives--Psychology<br/>Executive ability<br/>Mental discipline<br/>Success in business