The Influence of Service Promotion and Work Productivity on Customer Decision to Saving at PT Bank Muamalat Indonesia KCP Bantul. Journal of lslamic Economics and Bussines Ethics, [S. l.], v. 1, n. 1, p. 35–42, 2024. DOI: 10.24235/jiesbi.v1i1.99. Disponível em: http://e-journal.syekhnurjati.ac.id/index.php/JIESBI/article/view/99.. Acesso em: 19 sep. 2024.