Rudy Iskandar Ichlas, I Gusti Ayu Ketut Rachmi Handayani, Widayati. “Legal Loophole On Witness Protection In The 2019 Presidential Election Dispute In Constitutional Court Of The Republic Of Indonesia”. International Journal of Advanced Science and Technology, Vol. 29, no. 05, June 2020, pp. 13253-8, http://sersc.org/journals/index.php/IJAST/article/view/25957.