Chinnawong, Y., and S. Sittilerd. “Designing Achievement Activity by Using CIPPA Model of Analytical Thinking for Thai Subject on the Topic of Klonglokkanit (Thai Literature) of Mathayomsuksa 1 Students”. Journal of Humanities and Social Sciences, Rajapruk University, vol. 7, no. 1, Apr. 2021, pp. 183-98, https://so03.tci-thaijo.org/index.php/rpu/article/view/251674.