Syahrul, Fathullah, Caroline Paskarina, and R Sumadinata. “The Political Orientation of Extra-Campus Student Organizations in the 2019 Presidential Election”. Society 8, no. 2 (November 30, 2020): 486-505. Accessed March 8, 2021. https://society.fisip.ubb.ac.id/index.php/society/article/view/201.