Berger, Jonah <br/><br/>
Contagious :   how to build word of mouth in the digital age 
Berger, Jonah 
 - London,   Simon & Schuster,  2013 
 - 244 
<br/><br/><br/>Why things catch on<br/>Social currency<br/>Triggers<br/>Emotion<br/>Public<br/>Practical value<br/>Stories 
<br/><br/> 2014 
<br/><br/><label>ISBN: </label>9781471111709 
<br/><br/><label>Dewey Class. No.: </label>659.133  / BER