1. Faculty of Information Technologies, L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan
2. Higher School of Information Technology and Engineering, Astana International University, Astana 010008, Kazakhstan
3. Department of Economics and Finance, Hong Kong Shue Yan University, Hong Kong, China
4. Department of Computer Engineering, Astana IT University, Astana 010000, Kazakhstan