SJUKUN. The Influence of Word of Mouth and Sales Promotion on Purchasing Decisions at Xyz Cafe in Medan. Jurnal Ekonomi dan Bisnis Digital, [S. l.], v. 2, n. 4, p. 1353–1364, 2023. DOI: 10.55927/ministal.v2i4.7343. Disponível em: https://journal.formosapublisher.org/index.php/ministal/article/view/7343. Acesso em: 28 jun. 2026.