Nuthongkaew, K., and T. Julapaet. “The Applications of Sangahavatthudhamma in Excellent Service Providing in Nakhon Si Thammarat Provincial Land Office, Chawang Branch”. Academic MCU Buriram Journal, vol. 8, no. 2, Aug. 2023, pp. 288-02, https://so06.tci-thaijo.org/index.php/ambj/article/view/263910.