Irwanto, Diki, and Zulfa Harirah MS. “Incumbent Vs Challenger: A Comparative Study of Political Power in the 2020 Regional Head Election in Karimun Regency”. Journal of Political Issues 4, no. 2 (January 31, 2023): 108-119. Accessed June 17, 2024. https://jpi.ubb.ac.id/index.php/JPI/article/view/88.