Devanti NR, Utami KP. The Effect of Giving Hatha Yoga Exercise on Increasing Sleep Quality in the Elderly in Karangkates Village. JKF [Internet]. 2022 Oct. 31 [cited 2024 Nov. 23];5(1):61-6. Available from: https://ejournal.medistra.ac.id/index.php/JKF/article/view/1226