D. S. Ushakov

Urbanization and migration as

Urbanization and migration as factors affecting global economic development

2015

Nat︠s︡ionalʹnai︠a︡ turistiches

Nat︠s︡ionalʹnai︠a︡ turisticheskai︠a︡ industrii︠a︡

2005

Razvitie sovremennogo turistic

Razvitie sovremennogo turisticheskogo rynka

2003

Putevoditelʹ po Irtyshu

Putevoditelʹ po Irtyshu

1911