Sagita, Alda, and Sandfreni Sandfreni. “Risk Analysis and Improvement of Information Systems on J&T Express Using the National Institute of Standards &Amp; Technology (NIST) 800-30 Framework”. Jurnal Indonesia Sosial Sains 6, no. 8 (August 13, 2025): 2689–2700. Accessed November 7, 2025. https://jiss.publikasiindonesia.id/index.php/jiss/article/view/1831.