Zhafirah, F., Prabukusumo, M.A., Heikhmakhtiar, A.K., Lediwara, N. and Mayuni, A.F. 2026. Development of the Kamar Sandi letter agenda information system application in the Pamsisinfosan Pusdatin Kemhan RI. Jurnal Mandiri IT. 14, 3 (Jan. 2026), 368–380. DOI:https://doi.org/10.35335/mandiri.v14i3.496.