REFIKA AYUNA SARI; ERVAN YUDI WIDYARTO; ARIF HIDAYAT HUSNI; LANNY CATRIN DALE; RONI; , LEXY MAJESTY PENDONG. Analysis of the Effectiveness of the MailMaster Application in Improving the Management of Letter Numbering. Multidisciplary Journal of Systemic and Innovative Research, [S. l.], v. 3, n. 1, p. 198–203, 2026. Disponível em: https://journalwbl.com/index.php/mjsis/article/view/579. Acesso em: 8 jun. 2026.