@inproceedings{pme336559-leongflexibilitybeyond,
  title={Flexibility (beyond Procedural) in Problem Solving},
  author={Leong, Yew Hoong and Li, Xin},
  booktitle={Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1},
  year={2026},
  pages={931--938},
  publisher={Psychology of Mathematics Education (PME)},
  issn={2790-3648}
}