พูนทอง ส, บัวเพ็ชร์ อ, อิสระมาลัย แ. Development of Self-Care Promotion Program for the Elderly in Rubber Tapper with the Rubber Ring Stretching Exercise and Modified Work Improvement to Reduce Knee Pain. J Royal Thai Army Nurses [internet]. 2018 Aug. 30 [cited 2026 Sep. 19];19:118-27. available from: https://he01.tci-thaijo.org/index.php/JRTAN/article/view/156036