Soloman, Micah
High-tech, high-touch customer service : inspire timeless loyalty in the demanding new world of social commerce
Amacom, 2012
 Buku Teks SO
Inghilleri, Leonardo
Exceptional service, exceptional profit: the secrets of building a five-star customer service organization
[American Management Association, ], 2010
 eBooks
Solomon, Micah
High-tech, high-touch customer service: inspire timeless loyalty in the demanding new world of social commerce
[American Management Association;, ], 2012
 eBooks
Helena Stefani
Pengaruh Kualitas Pelayanan terhadap Kepuasan Pelanggan pada Taksi Blue Bird = The Impact of Service Quality towards Customer Satisfaction on Blue Bird Taxi
Fakultas Ilmu Administrasi Universitas Indonesia, 2018
 UI - Skripsi Membership
Amin Widjaja Tunggal
Corporate Social Responsibility (CSR)
Harvarindo, 2008
 Buku Teks SO