-, .-.; رنا; حسن. Using Hidden Markov Chains in Recognition of Vowel Letters in English Language. IRAQI JOURNAL OF STATISTICAL SCIENCES, [S. l.], v. 6, n. 1, p. 67–91, 2025. Disponível em: https://rjps.uomosul.edu.iq/index.php/stats/article/view/20844. Acesso em: 5 aug. 2025.