SRI ULINA; HENDRA UTAMA. The Effect of Product Quality and Promotion on Purchase Decisions on Umkm Products UD. Kunyahan Medan. International Journal of Integrative Sciences, [S. l.], v. 4, n. 6, p. 1389–1400, 2025. DOI: 10.55927/ijis.v4i6.387. Disponível em: https://mryformosapublisher.org/index.php/ijis/article/view/387. Acesso em: 20 may. 2026.