Panomporn Saejeng และ Samnao Muenjaem;Choocheep Puthaprasert;Phubet Poungkaew. (2025) The Administration Strategy for the Vocational Sector of Non-formal Private Schools, Chiang Mai Province. <i>Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University</i>, <i>19</i>(1), 10 - 25.Panomporn Saejeng และ Samnao Muenjaem;Choocheep Puthaprasert;Phubet Poungkaew. "The Administration Strategy for the Vocational Sector of Non-formal Private Schools, Chiang Mai Province". Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University 19 (2025):10 - 25.Panomporn Saejeng และ Samnao Muenjaem;Choocheep Puthaprasert;Phubet Poungkaew. The Administration Strategy for the Vocational Sector of Non-formal Private Schools, Chiang Mai Province. Pibulsongkram Rajabhat University:ม.ป.ท. 2025.