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.