Sagita A, Sandfreni S. Risk Analysis and Improvement of Information Systems on J&T Express Using the National Institute of Standards & Technology (NIST) 800-30 Framework. JISS [Internet]. 2025 Aug. 13 [cited 2026 Apr. 18];6(8):2689-700. Available from: http://jiss.publikasiindonesia.id.solusipublish.com/index.php/jiss/article/view/1831