Sari NPWP, Manungkalit M, Mare ACB, Sat YMMS. Latihan Jalan Kaki untuk Meningkatkan Vitalitas Lansia. BERDAYA [Internet]. 2023 Dec. 8 [cited 2026 Jun. 8];6(1):11-24. Available from: https://ejournal.imperiuminstitute.org/index.php/BERDAYA/article/view/1060