Professional salesmanship / 
Austria, Corazon D. ; Castaņeda, Luis E. 
 - Quezon City :  MaxCor Publishing House, Inc.,  2018. 
 - 130 p. ; 25.4cm. 
<br/><br/>includes references 
<br/><br/><label>ISBN: </label>9789710167937 
<br/><br/><label>Dewey Class. No.: </label>Fil 658.85 Au938 2018