Nelly Br Barus, Jismer Panjaitan, and Natalina Lasma Beria Rumapea. “Kegiatan Senam Lansia Untuk Meningkatkan Kualitas Hidup Sehat”. Journal of Community Service 1, no. 1 (April 20, 2024): 53–62. Accessed July 4, 2025. https://journal.trasaka.com/index.php/JCoS/article/view/40.