Al-Rawi, Salah Sleibi, Ahmed T. Sadiq, and Wasan M. Alaluosi. “Feature Extraction of Human Facail Expressions Using Haar Wavelet and Neural Network”. Iraqi Journal of Science 57, no. 2C (June 24, 2022): 1558–1565. Accessed January 3, 2026. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7226.