Lubis, Adnan Akbar, Sunny Puspita, and Meldawati Meldawati. “Pengaruh Senam Terhadap Skala Insomnia Pada Lansia Di Panti Jompo Karya Kasih Kota Medan”. Jurnal Prima Medika Sains 2, no. 2 (November 2, 2020): 37-41. Accessed July 3, 2024. https://jurnal.unprimdn.ac.id/index.php/JPMS/article/view/1256.