ARDIANSYAH, M. F.; ISYANTO, P.; SUMARNI, N. Pengaruh Service Quality dan After Sales Service terhadap Customer Loyalty pada OPS Garage. El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam, [S. l.], v. 5, n. 4, p. 2275–2287, 2024. DOI: 10.47467/elmal.v5i4.949. Disponível em: https://journal-laaroiba.com/ojs/index.php/elmal/article/view/949. Acesso em: 28 apr. 2026.