Aminah, A., S. E. Astania, and A. M. Noermalita. “Effect of a Structured Physical Exercise Program on Cardiorespiratory Function in Patients With Chronic Obstructive Pulmonary Disease”. International Journal of Nursing and Midwifery Research, vol. 3, no. 1, Nov. 2024, pp. 1-8, https://journals.iarn.or.id/index.php/ners/article/view/370.