Steffi Link
Analisis pengaruh ulasan media sosial dan promosi penjualan terhadap loyalitas pelanggan pada pelayanan purnajual studi kasus: PT Toyota-Astra Motor = Analysis of impact of social media review and sales promotion to customer loyalty in after sales service case study PT. Toyota-Astra Motor
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2017
 UI - Tesis (Membership)
Adi Kurnia
Pengaruh electronic customer relationship management (e-CRM) terhadap e-loyalty melalui e-satisfaction: studi pada website Garuda Indonesia = The effect of electronic customer relationship management (e-CRM) toward e-loyalty through e-satisfaction: study on website of Garuda Indonesia
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2018
 UI - Skripsi (Membership)
Dyche`, Jill
The CRM handbook : a business guide to customer relationship management
Addison-Wesley, 2002
 Buku Referensi
Adrian Payne
Strategic Customer Management: integrating relationship marketing and CRM
Cambridge University Press, 2013
 eBooks
Simatupang, Batara M.
Customer relationship management (CRM) & customer intelligence pada industri perbankan
Manajemen Usahawan Indonesia, 2003
 Artikel Jurnal