1. Department of Thermal Power Engineering, “Almaty University of Power Engineering and Telecommunications Named after G. Daukeev”, Almaty 050013, Kazakhstan
2. Department of Information Technologies, JSC “Academy of Logistics and Transport”, Almaty 030011, Kazakhstan
3. Department of Heat, Hydraulics and Environmental Engineering “Angel Kanchev” University of Ruse, 7017 Ruse, Bulgaria
4. Department of Transport, “Angel Kanchev” University of Ruse, 7017 Ruse, Bulgaria