Comprehensive Study of the Ashykol and Kumkol Lakes of Akmola Oblast of the North Kazakhstan. Mediterranean Journal of Social Sciences, [S. l.], v. 5, n. 23, p. 2607, 2014. Disponível em: https://www.richtmann.org/journal/index.php/mjss/article/view/4907.. Acesso em: 2 may. 2024.