Thumchuea, Noppadol, Krittagan Charlie Dhoppupa, Wijitra Ngoenbat, Chaowalit Phanthong, and Kriangwut Nilacupt. 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 (.):32-43.