Perceived Security and Trust as Determinants of QRIS Usage Among Informal Traders: Evidence from Car Free Day Merchants in Padangsidimpuan. Journal of Economic Studies, [S. l.], v. 2, n. 1, p. 55–65, 2026. DOI: 10.66618/b2skf161. Disponível em: https://ejournal.risetanakbangsa.id/jeta/article/view/1440. Acesso em: 15 oct. 2026.