Harvard Business Review:  The Hard Truth About Innovation 

 -  Harvard Business Review  Jan-Feb 2019 
 - Vol.1, no 97 (Jan-Feb 2019) 
 - Harvard Business Review  Vol 1 .
<br/><br/><label>ISBN: </label>7447064803 
<br/><br/><label>LC Class. No.: </label>AP 50  / HBR.ORG (Jan-Feb 2019)