Nugraharani, D.G.P. and Amarseto, B. 2024. The Effect of Respiratory Muscle Stretch Gymnastic (RMSG) on Lung Capacity in The Elderly. Jurnal Biologi Tropis. 24, 3 (Sep. 2024), 858–862. DOI:https://doi.org/10.29303/jbt.v24i3.6981.