Professional selling 
Camilar-Serrano, Angelita Ong 
 - Manila: Unlimited Books Library Services & Publishing Inc.  2018 
 - x, 296p.: ill. ; 25.5cm. 
<br/><br/> includes bibliography, webliography 
<br/><br/><label>ISBN: </label>9786214270194 
<br/><br/><label>Dewey Class. No.: </label>Fil 658.85 C183 2018