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 Pramita, Indah, Pangkahila, Alex, AND -, Sugijanto. " CORE STABILITY EXERCISE LEBIH BAIK MENINGKATKAN AKTIVITAS FUNGSIONAL DARI PADA WILLIAM’S FLEXION EXCERCISE PADA PASIEN NYERI PUNGGUNG BAWAH MIOGENIK" Sport and Fitness Journal [Online], (23 January 2015)