ISSUES AND CHALLENGES IN THE MARKETING OF FINANCIAL SERVICES IN THE TURBULENT TIMES. International Journal of Engineering and Science Research, [S. l.], v. 9, n. 3, p. 1–9, 2019. Disponível em: https://ijesr.org/index.php/ijesr/article/view/1232. Acesso em: 15 oct. 2025.