THE IMPACT OF BIG DATA ON THE OPTIMISATION OF MARKETING CAMPAIGNS: A LITERATURE REVIEW. Review of International Economy and Finance, [S. l.], v. 1, n. 2, p. 81–87, 2025. Disponível em: http://sagorvos.com/index.php/RITEF/article/view/38. Acesso em: 4 jul. 2025.