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 -, Hairudin et al. PENAMBAHAN PELATIHAN LARI AEROBIK, BACK-UP DAN SIT-UP PADA PELATIHAN SKILL LEBIH MENINGKATKAN ELO RATING. Sport and Fitness Journal, [S.l.], july 2017. ISSN 2654-9182. Available at: <https://ojs.unud.ac.id/index.php/sport/article/view/31857>. Date accessed: 30 aug. 2026.