Pichet Wechvitan และ Tanasan Sirivan;Supalak Fakkham;Thavatchai Kamoltham. (2022) Components of Successful and Sustainable Herbal City Management of the Upper Northeastern Provinces Group 2. <i>Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University</i>, <i>16</i>(1), 75-86.Pichet Wechvitan และ Tanasan Sirivan;Supalak Fakkham;Thavatchai Kamoltham. "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 (2022):75-86.Pichet Wechvitan และ Tanasan Sirivan;Supalak Fakkham;Thavatchai Kamoltham. Components of Successful and Sustainable Herbal City Management of the Upper Northeastern Provinces Group 2. Pibulsongkram Rajabhat University:ม.ป.ท. 2022.