Peayoo, S., Pongpinyoopas, S., & Jamjang, K. (2018). The Development of Quality World–Class Standard School Strategies in the Lower North Area. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University, 12(1), 260–274. Retrieved from https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/130961