NASER, Hayder Sadeq. The Role of Speech Signal Variability in Affecting Speech Perception Received by Iraqi EFL Learners. American Journal of Social and Humanitarian Research, [S. l.], v. 6, n. 8, p. 1972–1978, 2025. DOI: 10.31150/ajshr.v6i8.3895. Disponível em: https://globalresearchnetwork.us/index.php/ajshr/article/view/3895. Acesso em: 16 aug. 2025.