Vikawati, Nura Eky, Hari Peni Julianti, Novita Sari Dewi, and Endang Sri Mariani. “Comparison of Modified OTAGO Training Program and Walking Training on Physical Performance in Pre-Frail Elderly”. Medica Hospitalia : Journal of Clinical Medicine 10, no. 2 (July 31, 2023): 191–197. Accessed January 6, 2025. http://medicahospitalia.rskariadi.co.id:8080/medicahospitalia/index.php/mh/article/view/874.