Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
Kyrgyz-Russian Slavic University named after B.N. Yeltsin
T. K. Yuldashev, B.Y. Ashirbaev
B.Y. Ashirbaev, T. K. Yuldashev