Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Hasoloan, Adelbert, AND Widiatedja, I Gusti. " PERLINDUNGAN HUKUM BAGI ATLET MIXED MARTIAL ARTS DARI TINDAKAN WANPRESTASI PROMOTOR PERTANDINGAN" Kertha Desa [Online], Volume 10 Number 11 (6 November 2022)