Br, S.H., Sharafeldin, S., Sheta, S. and Mehanna, W. 2021. Towards Developing Criteria to Evaluate the Functional Performance Efficiency of Learning Spaces. European Journal of Engineering Science and Technology. 4, 3 (Dec. 2021), 1–14. DOI:https://doi.org/10.33422/ejest.v4i3.598.