METHODOLOGY FOR DEVELOPING MATHEMATICAL SKILLS OF SCHOOL STUDENTS IN CIRCLE CLASSES (IN THE 7TH CLASS EXAMPLE). American Journal of Interdisciplinary Research and Development, [S. l.], v. 16, p. 80–82, 2023. Disponível em: https://ajird.journalspark.org/index.php/ajird/article/view/662. Acesso em: 5 dec. 2025.