Chantaro, Nootcharat, Natenapha Khupantawee, and Tippamas Chinnawong. 2018. “Effect of Self-Management Support Program on Ability to Manage Symptom and Dyspnea Among Patients With Chronic Obstructive Pulmonary Disease”. Journal of Research in Nursing-Midwifery and Health Sciences 38 (3):25-37. https://he02.tci-thaijo.org/index.php/nur-psu/article/view/148286.