Mulmit, P. (2021). 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. ournal of anagement cience akhon athom ajabhat niversity, 8(1), 79-92. https://doi.org/10.14456/jmsnpru.2021.7