TAHA, H. Linguistic studies: effective formula and its implications. Adab Al-Rafidayn, [S. l.], v. 8, n. 9, p. 421–458, 1978. DOI: 10.33899/radab.1978.166264. Disponível em: https://edusj.uomosul.edu.iq/index.php/radab/article/view/33196. Acesso em: 10 sep. 2025.