เตชะวัฒนศิริดำรง วัชรภัทร, ชูกำเนิด ธานี, and สุวานิช เย็นใจ. “Development of Training Course on Standard-Based Learning Unit Teacher at Secondary Education Level for Mathematics Department”. Journal of MCU Humanities Review 5, no. 1 (August 6, 2019): 205–220. Accessed April 28, 2024. https://so03.tci-thaijo.org/index.php/human/article/view/178460.