HASAN, G.; ERNI, E. The Mediating Role of Attitude and Perceived Usefulness in the Relationship between Direct Marketing, Perceived Trust, Perceived Ease of Use, and Purchase Intention. International Journal of Economics Development Research (IJEDR), [S. l.], v. 4, n. 6, p. 2922–2938, 2023. DOI: 10.37385/ijedr.v5i1.3562. Disponível em: https://journal.yrpipku.com/index.php/ijedr/article/view/3562. Acesso em: 23 jul. 2025.