Nugraharani, Dorotea Galuh Puspita, and Binuko Amarseto. “The Effect of Respiratory Muscle Stretch Gymnastic (RMSG) on Lung Capacity in The Elderly”. Jurnal Biologi Tropis 24, no. 3 (September 11, 2024): 858–862. Accessed November 7, 2024. http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/6981.