Irfan, M., Ramadhania, S., Hadi, S. and Pungkasanti, P. (2025) “ISO/IEC 27005-Based E-Learning Risk Management with Blockchain Architecture: A Case Study of Semarang University”, Journal of Information Systems and Informatics, 7(3), pp. 2898-2919. doi: 10.51519/journalisi.v7i3.1265.