“Relationship Between Physical Activity, Anthropometry, and Forced Expiratory Volume in One Second With 6-Minute Walk Distance in Elderly”. International Journal of Integrated Health Sciences 5, no. 1 (March 31, 2017): 30–35. Accessed July 17, 2026. https://journal.fk.unpad.ac.id/index.php/ijihs/article/view/963.