TY  - BOOK
AU  - Marshall, Perry
TI  - 80/20 sales and marketing: : the definitive guide to working less and making more 
SN  - 9788183286480
U1  - 658.8 
PY  - 2013///
CY  - New Delhi
PB  - Wisdom Tree 
KW  - Marketing
KW  - Selling / Sales Management
ER  -