Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
Karakalpak State University
Nina K. Gusarova, Svetlana F. Malysheva, Ludmila A. Oparina +6
David Gueyrard, Rustam T. Tlegenov, Siegfried Steinbruckner +2