HAKIM, I.; WIRAWAN, R.; MARSUHIN, M.; FITRIA, N. Menilai dan Mengukur Tingkat Retensi melalui Kepuasan. Progress Conference, [S. l.], v. 5, n. 1, p. 23–40, 2022. Disponível em: https://proceedings.itbwigalumajang.ac.id/index.php/progress/article/view/431. Acesso em: 19 apr. 2025.