phadungphol, somruethai, Nuttaphon Phonthep, Pichamon Kongkasem, Dawrung Pimsangsilp, and Thamolwan Sawatsing. “Development of Supportive and Education System in Self Care of People with Post COVID Syndrome”. Thai Journal of Health Education 48, no. 1 (April 30, 2025): 59–73. accessed September 11, 2026. https://he01.tci-thaijo.org/index.php/muhed/article/view/277767.