Ngobudda, T. and Rooyuenyong, W. (2021) “Creating an Early Childhood Private Brand in Khon Kaen Province”, NEU ACADEMIC AND RESEARCH JOURNAL, 11(3), pp. 51–62. available at: https://so04.tci-thaijo.org/index.php/neuarj/article/view/249192 (accessed: 16 December 2025).