Pontoan, Michelle, Jay SIhotang, and Erienika Lompoliu. 2023. “Information Security Analysis of Online Education Management System Using Information Technology Infrastructure Library Version 3”. MATRIK : Jurnal Manajemen, Teknik Informatika Dan Rekayasa Komputer 22 (2), 207-16. https://doi.org/https://doi.org/10.30812/matrik.v22i2.2474.