Natalʹi︠a︡ Gennadievna Apollova

• Khozi︠a︡ĭstvennoe osvoenie Priirtyshʹi︠a︡ v kont︠s︡e shestnadt︠s︡atogo-pervoĭ polovine devi︠a︡tnadt︠s︡atogo v