GIDRAVLIKA
Неизвестно
Wind and Solar Power Systems: Design, Analysis, and Operation
Mukund R. Patel & Omid Beik
H.To'rayev, I.Azizov_Kombinat[..] va graflar nazariyasi
Tsupka_Metodika_prep
Research Mathodology : Methods and Techniques
C.R. Kothari