MAULIDA, A.; NUGROHO , R. H. Marketing Strategy in Event Sponsorship and Social Media of PT Telkomsel Surabaya. Business and Investment Review, [S. l.], v. 3, n. 1, 2025. DOI: 10.61292/birev.161. Disponível em: https://lgdpublishing.org/index.php/birev/article/view/161. Acesso em: 2 nov. 2025.