P. Khachaiyapum, P. Soncharoen, and P. Sansila, “Effectiveness Management of the Sub-district Health Fund of Thai Herbal Knee Compression on Osteoarthritis Symptoms among Elderly: A Study in Chatturat District Fund, Chaiyaphum Province”, TH. J. of Health Edu., vol. 49, no. 2, pp. 409–421, Aug. 2026.