Citizen Diplomacy Strategies in Football Supporter Communities: A Case Study of Reconciliation Between PSS Sleman and PSIM Yogyakarta. jk. jurnal. kewarganegaraan [Internet]. 2025 Sep. 27 [cited 2026 Mar. 21];22(2):246-64. Available from: https://jurnal.unimed.ac.id/2012/index.php/jk/article/view/64952