EDUKASI KESEHATAN TENTANG CORE STABILITY EXERCISE PADA LANSIA DI KLINIK PRATAMASANTA ELISABETH MEDAN. JUPKes [Internet]. 2025 Jun. 30 [cited 2025 Jul. 30];4(2):55-60. Available from: https://ejournal.stikeselisabethmedan.id/index.php/JUPKes/article/view/60