Antoni, Muhammad Sigit, Guntur Guntur, Rifqi Festiawan, Arifin Ika Nugraha, and Farid Imam Nurhadi. “Rockport Walking Fitness Test Apps: Application of Cardiorespiration Fitness Test With Rockport Method Android Based”. MEDIKORA 20, no. 1 (April 1, 2021): 23–35. Accessed May 17, 2025. https://journal.uny.ac.id/index.php/medikora/article/view/34960.