Sugilar, Hamdan, and Sendi Ramdhani. “Analysis of Students’ Metacognitive Ability and Meta-Skills in Solving Mathematical Problems With Higher-Order Thinking Skills”. Journal of Mathematics and Science Education, vol. 1, no. 1, May 2025, pp. 39-52, https://doi.org/10.19109/MathSciEdu.v1i1.20637.