Theddeus Octavianus Hari Prasetyono
Pengaruh AstraWorld sebagai Customer Relationship Management (CRM) terhadap loyalitas pelanggan Astra Motor Grup = The effect of Astra world as a customer Relationship Management (CRM) to the customer loyalty of Astra Motor Grup
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2011
 UI - Tesis Open
Adrian Payne
Strategic Customer Management: integrating relationship marketing and CRM
Cambridge University Press, 2013
 eBooks
Dyche`, Jill
The CRM handbook : a business guide to customer relationship management
Addison-Wesley, 2002
 Buku Referensi
Simatupang, Batara M.
Customer relationship management (CRM) & customer intelligence pada industri perbankan
Manajemen Usahawan Indonesia, 2003
 Artikel Jurnal
Pengembantan prototipe sistem CRM (Customer Relationship Management) untuk travel agent
Fakultas Ilmu Komputer Universitas Indonesia, 2004
 UI - Skripsi Membership