Sangsuk, W., and P. . Termtachatipongsa. “METHOD OF TEACHER TO DEVELOP INSTRUCTIONAL INNOVATION IN THAI LANGUAGE FOR GRADE 10 STUDENTS”. Journal of Graduate MCU KhonKaen Campus, vol. 7, no. 3, Sept. 2020, pp. 148-74, https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/242156.