احمد حسن ب. Using Hidden Markov Models in the Recognition of Face Images and Boundary Brim. IRAQI JOURNAL OF STATISTICAL SCIENCES, [S. l.], v. 12, n. 1, p. 24–46, 2012. DOI: 10.33899/iqjoss.2012.060229. Disponível em: https://tanmiyat.uomosul.edu.iq/index.php/stats/article/view/29199. Acesso em: 6 sep. 2025.