Wechvitan, P. , Sirivan, T. , Fakkham, S. and Kamoltham, T. 2022. Components of Successful and Sustainable Herbal City Management of the Upper Northeastern Provinces Group 2. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University. 16, 1 (Mar. 2022), 75–86. DOI:https://doi.org/10.14456/psruhss.2022.7.