Ўзбекистоннинг_ер[..]
Неизвестно
BUYUK_KELAJAGIMIZ[..]
murakkab oltin tarkibli rudalarini qayta ishlashni o‘zlashtirish ...
Savelyev_I_V_-_Ku[..]
Wind and Solar Power Systems: Design, Analysis, and Operation
Mukund R. Patel & Omid Beik