METHODOLOGY FOR ENHANCING STUDENTS’ ORAL ACTIVITY THROUGH A SYSTEM OF HEURISTIC TASKS. Universal International Scientific Journal, [S. l.], v. 3, n. 3.1, p. 563–567, 2026. Disponível em: https://universaljournal.uz/index.php/uxij/article/view/254. Acesso em: 4 jun. 2026.