Nasution, Adnan Buyung, et al. “Perancangan Sistem Tracking Surat Masuk Dan Penomoran Agenda Otomatis Berbasis Web”. RIGGS: Journal of Artificial Intelligence and Digital Business, vol. 5, no. 2, June 2026, pp. 8925-33, doi:10.31004/riggs.v5i2.9637.