Yingyongmatee, N., Sirisophon, A., Chitngern, D., & Chapthong, L. (2023). The Effectiveness of Teaching and the Use of Herbal Spray on Level of Pain and Activities Ability in Elderly with Knee Osteoarthritis. Journal of Nurses Association of Thailand Northern Office, 29(1), 30–42. retrieved from https://he01.tci-thaijo.org/index.php/jnorthnurse/article/view/262172