Waraphan, Chotida, Doungrut Wattanakitkrilert, Sarinrut Sriprasong, and Napplika Kongpolprom. 2022. “Factors Predicting Physical Activity Adherence in Patients With Chronic Obstructive Pulmonary Disease”. Nursing Science Journal of Thailand 41 (1):59-72. https://he02.tci-thaijo.org/index.php/ns/article/view/253467.