Kuanganov Ф. Problems of demographic studies in Kazakhstan. Economic series of the Bulletin of L.N. Gumilyov ENU, [S. l.], n. 2, p. 104–120, 2024. DOI: 10.32523/2789-4320-2024-2-104-120. Disponível em: https://bulecon.enu.kz/index.php/main/article/view/959. Acesso em: 8 jan. 2026.