Marzuki, Marzuki, Irfan Rusmar, Wahyudin Wahyudin, and Dadang Juandi. “Cognitive Flexibility: Exploring Students’ Critical Thinking Skills in Solving Mathematical Problems”. KnE Social Sciences 9, no. 13 (April 26, 2024): 642–650. Accessed December 21, 2024. https://knepublishing.com/index.php/KnE-Social/article/view/15968.