© 2019 D. Kenessary, A. Kenessary, Z. Adilgereiuly, N. Akzholova, A. Erzhanova, A. Dosmukhametov, D. Syzdykov, Abdul-Razak Masoud, Timur Saliev, published by Ubiquity PressThis work is licensed under the Creative Commons Attribution 4.0 License.