Loading book image GUMIN TABIATDAGI KO‘MIR MODDASI ASOSIDA GUMINLI KARBAMID OLISH Ashirbayeva A.E., G‘aniyev P A.E. Ashirbayeva
Loading book image GUMIN TABIATDAGI KO‘MIR MODDASI ASOSIDA GUMINLI KARBAMID OLISH A.E. Ashirbayeva , P.X. G‘aniyev
