IMANBAYEVA, Akmaral. Титул 2 (61) 2017. Recent Contributions to Physics, [S. l.], v. 2017, n. 2, p. 1–2, 2018. Disponível em: https://bph.kaznu.kz/index.php/zhuzhu/article/view/890. Acesso em: 5 июл. 2026.