O'smirlik_davri_p[..]
Неизвестно
Qishloq xo`jaligi hayvonlarini oziqlantirish L. Durst
2 energiya_tejamkor[..] (5)
ASQAR
Object-Oriented Programming C++ Simplified.
Hari Mohan Pandey
Research Mathodology : Methods and Techniques
C.R. Kothari