Oka A. Yoeti
Customer service cara efektif memuaskan pelanggan
Pradnya Paramita, 2005
 Buku Teks
Monica Handojo
Analisis penerapan sistem network marketing pada PT X
2000
 UI - Skripsi Membership
Lubis, Abdan Syakuro
Analisis pengaruh e-satisfaction terhadap e-trust dan reputation dalam meningkatkan e-loyalty pada online marketplace di Indonesia: studi kasus pada Tokopedia, Lazada, Bukalapak, Blibli dan Elevenia = Analysis of influence by e-satisfaction toward e-trust and reputation to improve e-loyalty in Indonesia's online marketplace: case study on Tokopedia, Lazada, Bukalapak, Blibli and Elevenia
2017
 UI - Skripsi Membership
Soman, Dilip
Managing customer value: one stage at a time
World Scientific, 2010
 Buku Teks
Rowley, Jennifer
Organizing knowledge: an introduction to managing access to information
Ashgate , 2004
 Buku Teks