et. al. KE. Phenomenology Analytical Thinking With Open Approach Of Students According To The Assessment Of Learning Mathematics In The 21St Century. TURCOMAT [Internet]. 2021Apr.16 [cited 2025Sep.12];12(7):3215-22. Available from: https://textitlejournal.com/turcomat.org/index.php/turkbilmat/article/view/3972