Marzuki, M., Rusmar, I., Wahyudin, W. and Juandi, D. 2024. Cognitive Flexibility: Exploring Students’ Critical Thinking Skills in Solving Mathematical Problems. KnE Social Sciences. 9, 13 (Apr. 2024), 642–650. DOI:https://doi.org/10.18502/kss.v9i13.15968.