Zebari , Rizgar, Adnan Abdulazeez, Diyar Zeebaree, Dilovan Zebari, and Jwan Saeed. 2020. “A Comprehensive Review of Dimensionality Reduction Techniques for Feature Selection and Feature Extraction”. Journal of Applied Science and Technology Trends 1 (2):56 - 70. https://doi.org/10.38094/jastt1224.