Jaisamak, P., S. Sangsong, and T. Yeamphuen. “The Application of the Philosophy of Sufficiency Economy for Self-development of the Youths in the Digital Era”. Rajapark Journal, vol. 19, no. 63, Apr. 2025, pp. 269-84, https://so05.tci-thaijo.org/index.php/RJPJ/article/view/276232.