Yusuf Emre Ercire, Serkan Narlı, Esra Aksoy. “Learning Difficulties about the Relationship Between Irrational Number Set With Rational or Real Number Sets”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 7, no. 2 (August 4, 2016): 417–439. Accessed May 4, 2024. https://turcomat.org/index.php/turkbilmat/article/view/133.