Analysis of Critical Thinking Level of Students in Surrounding and Area of Circle Based on Elder and Paul’s Critical Thinking Theory in View Of Students’ Mathematical Ability. Intv. Ind. J. of. Math. Ed [Internet]. 2023 Jun. 25 [cited 2026 May 18];1(1):8-15. Available from: https://cahaya-ic.com/index.php/IJoME/article/view/609