Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
4 ta ish
Economic Scientific Research Institute
R. C. Sharma, K. Nazari, Amir Amanov +2
Richard C. Hayes, Shuwen Wang, Matthew T. Newell +18
Otabek GULBOEV, Amir Amanov