Raimkulova А.; Zhagyparova А.; Tulegenova Ж. Economic efficiency of renewable energy integration in university campuses . Economic series of the Bulletin of L.N. Gumilyov ENU, [S. l.], n. 2, p. 8–19, 2026. DOI: 10.32523/2789-4320-2026-2-8-19. Disponível em: https://bulecon.enu.kz/index.php/main/article/view/1271. Acesso em: 15 jul. 2026.