Lapenko М. . Kazakh-Russian border in the context of the coronavirus disease (COVID-19). Bulletin of the L.N. Gumilyov Eurasian National University. Political Science. Regional Studies. Oriental Studies. Turkology Series., [S. l.], v. 137, n. 4, p. 163–174, 2021. Disponível em: https://bulpolit.enu.kz/index.php/main/article/view/470. Acesso em: 4 apr. 2025.