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 Jonathan, A., Rizkyah, A., Permata, R., Soesanto, Y., Zerlinda, V., Juhanna, I., & Adiatmika, I. 2022 May 25. The Effect of Vitamin D and Exercise on Muscle Aging. Sport and Fitness Journal. [Online] 10:2