MISTIKAWENI, Debbie; LI HIN, Lauw. PENERAPAN ELECTRONIC CUSTOMER RELATIONSHIP (E-CRM) DALAM UPAYA MENINGKATKAN LOYALITAS PELANGGAN DAN PELAYANAN TERHADAP PELANGGAN CATERING HANDAYANI. IDEALIS : InDonEsiA journaL Information System, [S. l.], v. 2, n. 2, p. 72–77, 2019. Disponível em: https://jom.fti.budiluhur.ac.id/IDEALIS/article/view/1051. Acesso em: 1 jun. 2025.