Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
Karakalpak State University
S. Bauatdinov, T.S. Bauatdinov, B. Kh. Kucharov +2
Gulnar Dauletmuratovna Saparova, Munavvara Zhandullaeva, Aktam Erkayev +2