Oky Sabastian, Fedianty Augustinah, and Eny Hartati. “Immigration Travel Documents Section Performance Analysis Tanjung Perak in State Administration”. International Journal of Social Science and Humanity 3, no. 1 (December 23, 2025): 24–34. Accessed March 4, 2026. https://international.appisi.or.id/index.php/IJSS/article/view/536.