Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
Pyatigorsk State University
Olga V. Sergeeva, Marina R. Zheltukhina, Tatyana Shoustikova +3
Alfiya R. Masalimova, Marina R. Zheltukhina, Servet Demir +4