ช่วยธานีน., แสงประดิษฐ์ธ., and ขำวงษ์พ. “ENHANCING STEM PROBLEM-SOLVING SKILLS OF UNDERGRADUATE STUDENTS BY USING THE INTEGRATED STEM EDUCATION WITH ARGUMENTATION LEARNING MODEL (6E+A)”. Journal of MCU Nakhondhat, Vol. 6, no. 10, Jan. 2020, pp. 5179-92, https://so03.tci-thaijo.org/index.php/JMND/article/view/227488.