Gallagher, Richard S.
Great customer connections: simple psychological techniques that guarantee exceptional service
American Management Association, 2006
 eBooks
Evenson, Renee, 1951-
Customer service training 101 : quick and easy techniques that get great results
American Society for Training and Development, 2005
 eBooks
Evenson, Renee, 1951-
Award-winning customer service : 101 ways guarantee great performance
Society for Industrial and Applied Mathematics, 2007
 eBooks
Evenson, Ren`ee
Customer service training IOI: quick and easy techniques that get great results
Amacom, 2005
 Buku Teks
Evenson, Renee, 1951-
Customer service training 101: quick and easy techniques that get great results
American Management Association, 2011
 eBooks