สินค้า ภ. “Analyzing Character Behavior in Vetal’s Tale by Prince Bidyalongkorn”. 2020. Journal of Humanities and Social Sciences Loei Rajabhat University, vol. 3, no. 1, Feb. 2023, pp. 43-55, https://so01.tci-thaijo.org/index.php/husolru/article/view/246173.