Kotler, Philip. <br/><br/>
Principles of marketing / 
Philip Kotler & Gray Armstrong. 
 - 8th ed. 
 - London :  Pearson,  c2021. 
 - 730p. :  ill. (chiefly col.) ;  30cm. 
<br/><br/> Including Index. 
<br/><br/><label>ISBN: </label>9781292341132 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing.
<br/><br/><label>Dewey Class. No.: </label>658.8  / KOT