Kozhanazar А.; TLEUBAYEVA, A.; DINCER, M. Model for the introduction of space tourism into the classification of tourism. Economic series of the Bulletin of L.N. Gumilyov ENU, [S. l.], n. 3, p. 416–431, 2025. DOI: 10.32523/2789-4320-2025-3-416-431. Disponível em: https://bulecon.enu.kz/index.php/main/article/view/1239. Acesso em: 21 jan. 2026.