Omirtay А.; Ongdash А. . Financing environmental clean and renewable energy sources for sustainable development. Economic series of the Bulletin of L.N. Gumilyov ENU, [S. l.], n. 2, p. 209–220, 2023. Disponível em: https://bulecon.enu.kz/index.php/main/article/view/202. Acesso em: 23 feb. 2026.