Aitbayeva А. .; Mussina К. The impact of the COVID-19 pandemic on the tourism industry. Economic series of the Bulletin of L.N. Gumilyov ENU, [S. l.], n. 1, p. 203–2011, 2023. Disponível em: https://bulecon.enu.kz/index.php/main/article/view/140. Acesso em: 8 jan. 2026.