Maulana MIA, Sumartiningsih S, Setiawan I. Core Strength Training, Balance to Increase Togok Flex and Leg Strength in the Elderly in Semarang. JUARA [Internet]. 2023Mar.31 [cited 2025Feb.22];8(1):611-23. Available from: https://jurnal.umkuningan.ac.id/index.php/juara/article/view/2945