Buttle, Francis <br/><br/>
Customer relationship management :  concepts and technologies / 
by Francis Buttle and Stan Maklan 
 - 4th ed. 
 - London and New York :  Routledge,   2019. 
 - xxiii, 442p. 
<br/><br/><label>ISBN: </label>9781138498259 
<br/><br/><label>Dewey Class. No.: </label>X7295:8  / Q9