Ritpradid A- pisit, Somprach K. Brand Construction Factors of Private Schools in Roikaensarasin Group. dhammathas [internet]. 2019 Sep. 29 [cited 2025 Apr. 28];19(3):43-58. available from: https://so06.tci-thaijo.org/index.php/dhammathas/article/view/141446