อุทัยวัฒนะณ.-, and เทพรักษ์ก. “THE EFFECTS OF USING CREATIVE DRAMA TO DEVELOP STUDENTS’ UNDERSTANDING ACHIEVEMENT ON THE PRINCIPLE OF SUFFICIENCY ECONOMY.”. Institute of Culture and Arts Journal, Vol. 21, no. 1, Dec. 2019, pp. 62 -72, https://so02.tci-thaijo.org/index.php/jica/article/view/107293.