Anitasari, Yeni, and Sani Fitriyani. “Peran Pegawai Bagian Urusan Tata Usaha Dalam Penanganan Surat Masuk Dan Surat Keluar Sistem Manual”. Management Studies and Entrepreneurship Journal (MSEJ) 5, no. 2 (November 19, 2024): 9060–9065. Accessed May 15, 2025. https://yrpipku.com/journal/index.php/msej/article/view/5582.