Widiartini NK, Susila AAH, Andreyana PV. Security Risk Evaluation of Licensing System Using NIST SP 800-30 Framework and Maturity Level with CMMI. jeei [Internet]. 2025 Jun. 30 [cited 2026 Feb. 4];9(1):1-9. Available from: https://ejournal1.unud.ac.id/index.php/JEEI/article/view/2244