Yulianti, Riny. 2015. “Pengolahan Surat Masuk Dan Surat Keluar Pada Mts Sholihiyyah Management Inbox and Outbox of MTs Sholihiyyah”. Information Technology and Telematics 5 (2). https://www.unisbank.ac.id/ojs/index.php/fti3/article/view/3466.