1. Department “Natural and Mathematical Sciences”, Yuri Gagarin State Technical University of Saratov, Saratov, Russia
2. Laboratory of Polymer Composites, K. Zhubanov Aktobe Regional State University, Aktobe, Kazakhstan
3. Laboratory of Support and Maintenance of the Educational Process, Yuri Gagarin State Technical University of Saratov, Saratov, Russia
4. Department “Chemistry and Chemical Technology”, K. Zhubanov Aktobe Regional State University, Aktobe, Kazakhstan
5. Department of Technology and Equipment for Chemical, Oil and Gas and Food Industries, Yuri Gagarin State Technical University of Saratov, Saratov, Russia
6. Department of Economics and Humanitarian Sciences, Yuri Gagarin State Technical University of Saratov, Saratov, Russia