MULMIT, P. The Guideline for Potential Development of Wellness tourism service providers in Wellness tourist attraction management, A case study of Nong Yai Plong hot spring community, Noang Yai Plong, Phetchaburi. Journal of Management Science Nakhon Pathom Rajabhat University, v. 8, n. 1, p. 79-92, 30 Jun. 2021.