احمد حسن بان. “Using Hidden Markov Models in the Recognition of Face Images and Boundary Brim”. IRAQI JOURNAL OF STATISTICAL SCIENCES 12, no. 1 (June 1, 2012): 24–46. Accessed September 6, 2025. https://tanmiyat.uomosul.edu.iq/index.php/stats/article/view/29199.