Thumchuea, N.; Dhoppupa, K. C.; Ngoenbat, W.; Phanthong, C.; Nilacupt, K. 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 2023, 4, 32-43.