“Efektivitas Pelayanan Koperasi Tenaga Kerja Bongkar Muat (TKBM) Di Pelabuhan Teluk Nibung Kota Tanjung Balai”. Jurnal Niara 16, no. 2 (September 3, 2023): 268–278. Accessed April 22, 2026. https://journal.unilak.ac.id/index.php/nia/article/view/15981.