Thumchuea, N., Dhoppupa, K.C., Ngoenbat, W., Phanthong, C. and Nilacupt, K. 2023. DEVELOPING GUIDELINES FOR UPGRADING GENERAL EDUCATION COURSES ON APPLYING THE SUFFICIENCY ECONOMY PHILOSOPHY IN REAL LIFE: Received: 22nd July 2022; Revised: 31st October 2022, 12th November 2022, 17th November 2022; Accepted: 19th November 2022. Docens Series in Education. 4, . (Jan. 2023), 32–43. DOI:https://doi.org/10.20319/dv4.3243.