Suharjana, Suharjana. “ANALISIS PROGRAM KEBUGARAN JASMANI PADA PUSAT-PUSAT KEBUGARAN JASMANI DI YOGYAKARTA”. MEDIKORA 11, no. 2 (January 27, 2015). Accessed May 15, 2025. https://jurnal.uny.ac.id/index.php/medikora/article/view/2813.