Rochmatullah, Arief Noor, Ignatius Aris Wibowo, and Sarwosri Sarwosri. “Enhancing The Security of E-Invoicing for Distribution Companies Through Image-Based PDF Conversion and QR Verification”. Journal of Applied Informatics and Computing 9, no. 5 (October 4, 2025): 2068–2075. Accessed September 12, 2026. https://jurnal.polibatam.ac.id/index.php/JAIC/article/view/9974.