แดงสีภัทรนิษฐ์. “THE SCENARIO OF JUNIOR SECONDARY EDUCATION IN THE NEXT DECADE (A.D. 2019-2028)”. Journal of MCU Nakhondhat 6, no. 10 (January 14, 2020): 6034-6053. Accessed October 22, 2020. https://so03.tci-thaijo.org/index.php/JMND/article/view/225290.