Kozhanazar А.; Baimbetova А.; Tleubaeva А. Definition of the relationship between tourism and the concept of “space tourism” . Economic series of the Bulletin of L.N. Gumilyov ENU, [S. l.], n. 2, p. 306–315, 2023. DOI: 10.32523/2789-4320-2023-2-306-315. Disponível em: https://bulecon.enu.kz/index.php/main/article/view/686. Acesso em: 28 jan. 2026.