Sungmongkol, T., and P. Kecharananta. “The death penalty as it should be under the theories of H. L. A. Hart and Lon L. Fuller”. Nitiparitat Journal, vol. 3, no. 2, May 2023, pp. 1-16, https://so06.tci-thaijo.org/index.php/NitiPariJ/article/view/264920.