Berampu, Sabirin, and Elsaria Br Sembiring. “Differences Of The Effectiveness Of The Tai Chi Method On Reducing Insomnia And Hypertension In Elderly”. JURNAL KEPERAWATAN DAN FISIOTERAPI (JKF) 5, no. 1 (October 31, 2022): 115–121. Accessed April 20, 2024. https://ejournal.medistra.ac.id/index.php/JKF/article/view/1350.