DWIRIDOTJAHJONO, Jojok; SITANGGANG, Della Anzelia; TANDIAYUK, Jurycha. Efektivitas Event Sponsorship dalam Meningkatkan Brand Awareness dan Penjualan Produk Telkomsel Branch Surabaya. As-Syirkah: Islamic Economic & Financial Journal, [S. l.], v. 4, n. 1, p. 134–139, 2025. DOI: 10.56672/qx6z0254. Disponível em: https://journal-ikadi.com/ojs/index.php/assyirkah/article/view/385. Acesso em: 11 jul. 2026.