Wancham , Kittitas, and Kamonwan Tangdhanakanond. “Effects of Different Feedback Types and Answer Changing on Achievement of Tenth Grade Students”. Journal of Education Studies 48, no. 1 (March 31, 2020): 1–21. Accessed May 4, 2024. https://so02.tci-thaijo.org/index.php/EDUCU/article/view/240819.