Davis, Kevin T.
Slow down, sell faster!: understand your customer's buying process and maximize your sales
[American Management Association;, ], 2011
 eBooks
Stinnett, Bill
Think like your customer
Elex Media Komputindo, 2005
 Buku Teks
Whitman, Drew Eric
BrainScripts for sales success : 21 hidden principles of consumer psychology for winning new customers
McGraw-Hill, 2015
 Buku Teks
Seidman, Dan
The secret language of influence: master the one skill every sales pro needs
[American Management Association;, ], 2012
 eBooks
Abrams, Bill
The observational research handbook : understanding how consumers live with your product
NTC Bussiness Book, 2000
 Buku Teks