yus, ridwan (2026) “MOBILE-BASED INCOMING AND OUTGOING MAIL MANAGEMENT APPLICATION AT THE REGIONAL SECRETARIAT OF SUKABUMI DISTRICT”, Jurnal Teknologi Informatika dan Rekayasa Terapan, 1(1), pp. 40–47. Available at: https://jurnal.cbi.ac.id/index.php/jtirt/article/view/101 (Accessed: 18 September 2026).