ROMANOVA, S. M.; KAZANGAPOVA, N. B. Quality of waters lakes Kazakhstan in contemporaneous period (for example of lake Kopa). International Journal of Biology and Chemistry, [S. l.], v. 6, n. 2, p. 65–70, 2013. Disponível em: https://ijbch.kaznu.kz/index.php/kaznu/article/view/102. Acesso em: 16 dec. 2024.