SUDARMAN, Enjang; MADIISTRIYATNO, Harries; SUDARMAN, Ikbal. Investigations of Customer Loyalty: Strengthening Product Quality, Brand Image and Customer Satisfaction. MIX: JURNAL ILMIAH MANAJEMEN, Jakarta, Indonesia, v. 11, n. 1, p. 78–93, 2021. Disponível em: https://publikasi.mercubuana.ac.id/index.php/Jurnal_Mix/article/view/9566. Acesso em: 23 oct. 2026.