Chang-Jun Choi, and Ha-Sung Kong. “Analysis of the Difference in RSET According to the Change in the Height of the Stairs in the School”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 13 (July 10, 2021): 6103–6113. Accessed November 23, 2024. https://turcomat.org/index.php/turkbilmat/article/view/9888.