Deep work :  rules for focused success in a distracted world / 

, 
 - New York :  Grand Central Publishing,  2016. 
 - 296 pages : illustrations ; 21cm 296 pages : illustrations ; 21cm 
<br/><br/><label>ISBN: </label>9784805314616 
<br/><br/><label>Dewey Class. No.: </label>REF 650.1 N47