KESUFEKAD METACHEW, LETAHUN NEMEON, DINFE EGASH, KASIL TEYENE. Communication-Centric Security Models for Mobile Digital Learning Systems. Progress in Electronics and Communication Engineering, [S. l.], v. 3, n. 2, p. 76–84, 2026. DOI: 10.31838/sqatn451. Disponível em: https://ecejournals.in/index.php/PECE/article/view/496.. Acesso em: 12 feb. 2026.