Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
Abai Kazakh National Pedagogical University
Munira Izat, I.S. Soliev, U.K. Kiyakbayeva
Munira Izat, I.S. Soliev, Sh.Zh. Kolumbayeva