Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
Peoples' Friendship University of Russia
V.S. Stepanov, M.A. Chakiryan, V.V. Papsuev +5
V.S. Stepanov, M.V. Faniev, M.A. Chakiryan +5