พลหาญ พ., วัฒนกิจไกรเลิศ ด., and พงศ์ถาวรกมล ค. “The Effects of Education and Inhaler Skills Program through Line Application on Symptom Control Among Asthmatic Patient”. Journal of The Royal Thai Army Nurses, vol. 20, no. 3, Dec. 2019, pp. 93-103, https://he01.tci-thaijo.org/index.php/JRTAN/article/view/233089.