TY  - BOOK
AU  - Gallo, Carmine 
TI  - The Power of Four Square: 7 Innovative Ways to Get Your Customers to Check in Wherever They Are 
SN  - 9781259005220
U1  - 658.872 
PY  - 2011///
CY  - New Delhi
PB  - Tata McGraw-Hill Publishing Company Ltd.
KW  - Business Enterprise
KW  - Customer Relations
KW  - Internet Marketing
KW  - Online Social Networks
ER  -