et. al., PrashantV.Joshi,. “Planning and Analysis of Dadda DQ4:2”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 11 (May 10, 2021): 6974–6981. Accessed May 5, 2024. https://turcomat.org/index.php/turkbilmat/article/view/7217.