Ozan Pala, Serkan Narlı. “Prospective Mathematics Teachers’ Proving Approaches and Difficulties Related to Equivalence of Infinity Sets”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 9, no. 3 (December 17, 2018): 449–475. Accessed September 12, 2025. https://textitlejournal.com/turcomat.org/index.php/turkbilmat/article/view/184.