RAHMATZAI, Saeedullah; SAFI, Saadatullah. Competence and Performance Versus Langue and Parole: A ‎Comparative Linguistic Analysis. Nangarhar University Social Science Journal, [S. l.], v. 3, n. 01, p. 27–32, 2026. DOI: 10.70436/nussj.v3i01.79. Disponível em: https://nussj.nu.edu.af/index.php/nussj/article/view/79. Acesso em: 2 may. 2026.