MONOLIMAY, Geraldo Marsel; TUMBEL, Tinneke M.; KALANGI, Johny A. F. The Effect of Promotion on Customer Satisfaction at PT. Mandala Multifinance Tbk Ratahan Branch. Productivity, [S. l.], v. 4, n. 5, p. 579–590, 2023. DOI: 10.35797/ejp.v4i5.49993. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/49993. Acesso em: 21 mar. 2026.