Marbun, Ruth Julianti, and Haposan Siallagan. “Peran Tata Usaha Sebagai Penghubung Administrasi Surat Masuk Di Biro Hukum Kantor Gubernur Sumatera Utara”. Judge : Jurnal Hukum 6, no. 04 (November 10, 2025): 902-913. Accessed April 16, 2026. https://journal.cattleyadf.org/index.php/Judge/article/view/1769.