TY  - BOOK
AU  - BUTTLE Francis
AU  -  MAKLAN Stan
TI  - Customer relationship management:  Concepts and technologies   
SN  - 9781138789838
U1  - X:511-8, Q5 
PY  - 2015///
CY  - New York
PB  - Roultedge         
KW  - Commerce
ER  -