Irfan, M., Ramadhania, S., Hadi, S., & 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), 2898-2919. https://doi.org/10.51519/journalisi.v7i3.1265