SUNDARI, E. D. Pengaruh Customer Relationship Management (CRM) Terhadap Loyalitas Pelanggan pada Maskapai Penerbangan Garuda Indonesia Melalui Program Frequent Flyer. Jurnal Manajemen Bisnis dan Kewirausahaan, Jakarta, Indonesia, v. 3, n. 6, p. 30–35, 2019. DOI: 10.24912/jmbk.v3i6.6093. Disponível em: https://journal.untar.ac.id/index.php/jmbk/article/view/6093. Acesso em: 6 may. 2024.