SARSENBAEVA, A. G.; MAHASH, A. M.; TIMOSHENKO, M. G.. About the modernization of environmental. Eurasian Journal of Ecology, [S.l.], v. 38, n. 2/2, jan. 2016. ISSN 2617-7358. Available at: <https://bulletin-ecology.kaznu.kz/index.php/1-eco/article/view/347>. Date accessed: 07 aug. 2020.