HUSEYNZADE, A. Exploring colloquial English proficiency in Azerbaijani secondary schools. Educational Challenges, Kharkiv, UA, v. 30, n. 1, p. 225–236, 2025. DOI: 10.34142/2709-7986.2025.30.1.14. Disponível em: https://www.educationalchallenges.org.ua/index.php/education_challenges/article/view/350. Acesso em: 7 jun. 2026.