Chantra, R., Sudjan, C., Tangrungcharoen, C., Thongpa, .Y., Nutchaya , T., Panwai , T., Tongcham, N., Tongcham, N., Chamnan, N., Kumnertkoh, J. and Luabunjong , C. 2021. The Effects of Thai Herbal Paste for Knee Pain in Elderly Osteoarthritis at Sriwichai Sub-District Health Promoting Hospital, Phunphin District, Suratthani, Thailand. Rajamangala University of Technology Srivijaya Research Journal. 13, 1 (Mar. 2021), 165–173.