สายทอง อ. (2022) “The King’s Philosophy implemented in ‘A Child of the Northeast’”, Journal of Humanities and Social Sciences Uttaradit Rajabhat University, 9(1), pp. 154–171. available at: https://so04.tci-thaijo.org/index.php/johuru/article/view/256526 (accessed: 15 September 2026).