นุ่นสมบูรณ์ อ., and ฉิมรอยลาภ น. “DEVELOPMENT OF ENGLISH READING EXERCISES USING GRAPHIC ORGANIZERS FOR SECONDARY SCHOOL STUDENTS”. Journal of MCU Nakhondhat, vol. 6, no. 9, Nov. 2019, pp. 4297-10, https://so03.tci-thaijo.org/index.php/JMND/article/view/201040.