Jaikum, Poungpech, Decha Tamdee, and Sivaporn Aungwattana. 2020. “Factors Related to Self – Management Behaviors of Highlanders With Chronic Obstructive Pulmonary Disease”. Nursing Journal CMU 47 (4):143-54. https://he02.tci-thaijo.org/index.php/cmunursing/article/view/247933.