Abdullah Al Ghifary
Analisis Pengaruh Kualitas Pelayanan terhadap Kepuasan Nasabah: Pendekatan Kuantitatif Menggunakan MODEL SERVQUAL pada BNI Cabang UI Depok = Analysis of the Effect of Service Quality on Customer Satisfaction: A Quantitative Approach Using the SERVQUAL Model at BNI UI Branch Depok
Program Pendidikan Vokasi Universitas Indonesia, 2025
 UI - Skripsi Membership
Lucas, Robert W.
Customer service : skills for success
McGrow-Hill, 2015
 Buku Teks
Kasmir
Etika customer service / Kasmir
RajaGrafindo Persada, 2005
 Buku Teks
Kasmir
Etika customer service
RajaGrafindo Persada, 2005
 Buku Teks
Kamin, Maxine
10 steps to successful customer service
American Society for Training & Development, 2010
 eBooks