The Role of Engagement, Brand Equity, and Trust: The Case of Portuguese Telecommunications Brands on Facebook. International Journal of Business Innovation, [S. l.], v. 3, n. 1, p. e35971, 2024. DOI: 10.34624/ijbi.v3i1.35971. Disponível em: https://proa.ua.pt/index.php/ijbi/article/view/35971. Acesso em: 12 feb. 2026.