Nova, Andi, M Hamzah, Andrew Sinulingga, and Guntur Firmansyah. “The Level Of Anxiety’s Referees Of Langsa (Football Association Of Indonesia) When Enforcing The Laws Of The Game During A Match”. Jp.jok (Jurnal Pendidikan Jasmani, Olahraga dan Kesehatan) 4, no. 2 (December 20, 2021): 224-234. Accessed April 24, 2024. http://ejurnal.budiutomomalang.ac.id/index.php/jpjok/article/view/1688.