RAHBAR, Elham Rohany. A Historical Study of the Persian Vowel System. Kansas Working Papers in Linguistics, [S. l.], v. 30, p. 233–245, 2008. DOI: 10.17161/KWPL.1808.3919. Disponível em: https://journals.ku.edu/kwpl/article/view/17830.. Acesso em: 4 may. 2024.