AHMED, Ali Alhadi Mohammed Wadi; AHMED, Mahmud Ali Belgasm Ahmed. Evaluating the Usability of Online Payment Systems using ISO IEC 9126. مجلة روافد المعرفة, [S. l.], v. 5, n. 9, p. 143–151, 2025. Disponível em: https://ra.azu.edu.ly/index.php/rawafed-almarefa/article/view/70. Acesso em: 29 سبتمبر. 2025.