Rahmah Juliani Siregar, Susi Febriani Yusuf. LANSIA SEHAT DAN PRODUKTIF DI ERA PANDEMI. JPMD [Internet]. 2022 Jul. 31 [cited 2026 Aug. 6];1(1):13-7. Available from: https://ejournal.stikesdarmais.ac.id/index.php/jpmd/article/view/3