Azhari, R. ., and A. N. Salsabila. “Transforming PT Pertamina With Cybersecurity, File Security, and Essential Items”. International Journal of Cyber ​​and IT Service Management (IJCITSM), vol. 3, no. 2, Oct. 2023, pp. 160-7, doi:10.34306/ijcitsm.v3i2.140.