TURABOYEVA, S. Z. . The Concept and Its Stages of Study. European Multidisciplinary Journal of Modern Science, [S. l.], v. 7, p. 391–393, 2022. Disponível em: https://emjms.academicjournal.io/index.php/emjms/article/view/638. Acesso em: 6 may. 2024.