Likitkulthanaporn, Sutassana, Boontuan Wattanakul, and Russana Leardrungchaisakul. 2022. “Development of Self-Management Support for Self-Management Behaviors in the Post- COVID -19 Patients on Residual Symptoms in Covid 19 Patients Healed”. Journal of The Department of Medical Services 47 (3):104-12. https://he02.tci-thaijo.org/index.php/JDMS/article/view/258115.