BRYDUN, Viktoriia; BRYDUN, Andrii. THE SHOELACE FORMULA IN THE SCOPE OF OUT-OF-SCHOOL MATHEMATICAL EDUCATION. Physical and Mathematical Education, Україна, v. 40, n. 2, p. 6–13, 2025. DOI: 10.31110/fmo2025.v40i2-01. Disponível em: https://www.fmo-journal.org/index.php/fmo/article/view/394. Acesso em: 6 jun. 2026.