YURZHENKO, A.; KONONOVA, O.; DIAHYLEVA, O. The use of the Callan method in maritime English teaching. Educational Challenges, Kharkiv, UA, v. 30, n. 2, p. 126–140, 2025. DOI: 10.34142/2709-7986.2025.30.2.10. Disponível em: https://www.educationalchallenges.org.ua/index.php/education_challenges/article/view/397. Acesso em: 7 jun. 2026.