Marzuki M, Rusmar I, Wahyudin W, Juandi D. Cognitive Flexibility: Exploring Students’ Critical Thinking Skills in Solving Mathematical Problems. KSS [Internet]. 2024Apr.26 [cited 2024Dec.30];9(13):642–650. Available from: https://knepublishing.com/index.php/KnE-Social/article/view/15968