The 20% doctrine  how tinkering, goofing off, and breaking the rules at work drive success in business 
Ryan Tate  
 - New York  Harper Business,  2012  
 - xi, 193p.  22cm. 
<br/><br/>Includes bibliographical references (p. [173]-183) and index  
<br/><br/><label>ISBN: </label>9780062003232 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Creative ability in business--Case studies<br/>Employee motivation<br/>Success in business--Case studies