R. Maulana, A. Mukti, Y. Firmansyah, and D. . Purwaningtias, “Design of a Modern Web-Based Mail Management Information System Using the Prototype Model at PT Kalimantan Teknologi Indonesia”, j. of artif. intell. and eng. appl., vol. 5, no. 2, pp. 2160–2166, Feb. 2026.