OTAMIRZAYEVA, S. O. Q. . Teaching Mixed Level Groups. Journal of Intellectual Property and Human Rights, [S. l.], v. 2, n. 1, p. 1–4, 2023. Disponível em: http://journals.academiczone.net/index.php/jiphr/article/view/509. Acesso em: 15 dec. 2025.