M. Risna, P. Utami, U. Khulsum, N. A. Zuhriyah, and T. Suryanto, “Digital Transformation in Postal Logistics: A Design Science Approach to Enhancing Operational Performance through Geocoding and Voice-Assisted Sorting Systems”, Shirkah J. Econ. Bus., vol. 11, no. 2, pp. 236–259, Jul. 2026.