Jitpongsai, P., and W. Puekbuakhaw. “The Guidelines for the Development of Learning Skills in the 21st Century of Mathayom Suksa 1 Students with the Dhamma Stories in Kongkaram School, Muang District, Phetchaburi Province”. Journal of Humanities and Social Sciences Review, vol. 23, no. 1, May 2021, pp. 150-62, https://so05.tci-thaijo.org/index.php/hspbruacthjournal/article/view/252776.