Pongoh, Tonny, Henry Soelistyo Budi, and Bintan R. Saragih. “Rethinking Legal Status of Polytechnic in the Law of Education System”. Global Legal Review 1, no. 2 (October 28, 2021): 105–124. Accessed January 21, 2026. https://ojs.uph.edu/index.php/GLR/article/view/4037.