Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
University of Silesia in Katowice
Edward Zorębski, Michał Zorębski, Marzena Dzida +4
Edward Zorębski, Michał Zorębski, Marzena Dzida +5