پوهندوی محمد هارون واحدی et al. 2026. A Conceptual Comparison between Saussure’s Theory of Language and Speech and Chomsky’s Theory of Linguistic Competence and Performance: A Conceptual Comparison between Saussure’s Theory of Language and Speech and Chomsky’s Theory of Linguistic Competence and Performance. Takhar University International Journal . (Feb. 2026), 17–26.