Barrett, Peter
Facilities management : the dynamics of excellence
Wiley-Blackwell, 2014
 Buku Teks
Bolles, Dennis
Building project management centers of excellence
[American Management Association, ], 2002
 eBooks
Hombur, Christian, 1962-
Sales excellence: systematic sales management
[Springer, ], 2012
 eBooks
Baird, Kristin
Customer service in health care : a grassroots approach to creating a culture of service excellence
American Hospital Association, 1999
 Buku Teks
Jones, Mark David
Lead with your customer: transform culture and brand into world-class excellence
American Society for Training & Development, 2010
 eBooks