SITORUS, Kelvin Isaiah; SEMBIRING, Afen Prana Utama; SARAGIH, Yuni Marlina. Evaluating User Experience and User Engagement of the AstraPay Mobile Wallet Using UEQ+ and UES. Journal of Computer Science and Informatics Engineering , [S. l.], v. 5, n. 3, p. 374–387, 2026. DOI: 10.55537/cosie.v5i3.1786. Disponível em: https://journal.aira.or.id/cosie/article/view/1786. Acesso em: 21 jul. 2026.