Arafat Khalid Abu Abtah ع. خ. ا. ع. |, Mamoon Mohammad Al-Shannaq م. م. ا. |, and Mohemmed Ahmad Al-Momany م. أ. ا. |. “Developing an Instructiond Unit Based on Performance Tasks and Its Impact on Reflective Thinking in Mathematics Among Tenth Grade Students”. Journal of Al-Quds Open University for Humanities and Social Studies, vol. 1, no. 55, Jan. 2021, doi:10.33977/0507-000-055-004.