Authors
| Full name | Organisation |
|---|---|
| Zotkina Lyubov Viktorovna | Yuri Gagarin State Technical University of Saratov |
| Zou Luwei | Lomonosov Moscow State University |
| Zueva Galina Sergeevna | Penza State University |
| Zykhovskaya Natalya Lvovna | Herzen State Pedagogical University of Russia |
| Zyubina Elizaveta Aleksandrovna | Marks Branch of Saratov State Socio-Economic Institute of Plekhanov Russian University of Economics |