Boonchai, T., P. Thammachai, C. Puthaprasert, J. Supising, and M. Suwan. “Guidelines for Applying King Bhumibol’s Philosophy in School Administration”. Community and Social Development Journal, vol. 23, no. 2, Aug. 2022, pp. 33-49, doi:10.14456/rcmrj.2022.254163.