Abdumalik kizi, Jabborkhonova Nargizakhon. “Critical Period Hypothesis in Grammar and Pronunciation of L2 Learners”. Journal of Ethics and Diversity in International Communication 2, no. 3 (April 2, 2022): 122–124. Accessed March 11, 2025. https://oajournals.net/index.php/jedic/article/view/1152.