HENDRI MAYANTA TARIGAN; ANDRIAN K TARIGAN; JOPINUS SARAGIH. The Influence of Promotion and Brand Image on the Purchase Decision of Samsung Handphone Goods at Universitas Efarina Pematang Siantar. International Journal of Economics (IJEC), [S. l.], v. 1, n. 2, p. 338–340, 2022. DOI: 10.55299/ijec.v1i2.346. Disponível em: https://ejournal.ipinternasional.com/index.php/ijec/article/view/346. Acesso em: 4 may. 2024.