Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
Russian Economic University after G.V. Plekhanov
Tatyana V. Vorotilina, Natalia V. Svechnikova, И.С. Шульженко
Tatyana V. Vorotilina, И.С. Шульженко