ZAKIATUL NUR SAFITRI; WULAN PURNAMASARI; NUR HALIZA. The Influence of Perceived Ease of Use, Consumer Trust, and After-Sales Service on Purchase Intention Through Perceived Usefulness (on the Purchase of Epson Brand Projectors). Escalate : Economics and Business Journal, [S. l.], v. 4, n. 3, p. 814–826, 2026. DOI: 10.61536/escalate.v4i3.829. Disponível em: https://journal.takaza.id/index.php/escalate/article/view/829. Acesso em: 3 oct. 2026.