Abdulmunem, Matheel E., and Fatima B. Ibrahim. “The Design of Efficient Algorithm for Face Recognition Based on Hybrid PCA-Wavelet Transform”. Iraqi Journal of Science, vol. 57, no. 2A, June 2022, pp. 995-1006, https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7481.