Maksung, S., Hingkanont, P., & Chaichanawirote, U. (2018). Factors Affecting Exercise Behavior Among the Chronic Obstructive Pulmonary Disease Patients. NU Journal of Nursing and Health Sciences, 12(1S), 24–34. Retrieved from https://he01.tci-thaijo.org/index.php/NurseNu/article/view/148799