JOPINUS SARAGIH; MHD. RAMADHAN; NURMASDALIFAH NURMASDALIFAH; JUMADIAH WARDATI. The Influence of Digital Marketing and Service Quality on Consumer Purchase Decisions at PT. Roti Ketawa Siantar Waka-Waka. International Journal of Economics, Commerce, and Management, [S. l.], v. 3, n. 3, p. 37–46, 2026. DOI: 10.62951/ijecm.v3i3.1267. Disponível em: https://international.areai.or.id/index.php/IJECM/article/view/1267. Acesso em: 30 sep. 2026.