ALIJON, A. .; MUSLIMAKHON, A. . The Concept of Model and Modeling, Modeling Mathematical Problems. European Multidisciplinary Journal of Modern Science, [S. l.], v. 6, p. 77–82, 2022. Disponível em: https://emjms.academicjournal.io/index.php/emjms/article/view/349. Acesso em: 3 may. 2024.