SEBAYANG, Immanuel Edy Suranta. The Impact of Promotional Strategies on Customer Decisions to Save at PT Bank Sumut KCP USU. Jurnal EMT KITA, [S. l.], v. 8, n. 3, p. 891–898, 2024. DOI: 10.35870/emt.v8i3.2675. Disponível em: https://journal.lembagakita.org/emt/article/view/2675. Acesso em: 30 dec. 2025.