Title: Ėkonomicheskai︠a︡ ėffektivnostʹ kapitalʹnykh vlozheniĭ v neftedobyvai︠u︡shchui︠u︡ promyshlennostʹ (na primere Uralo Povolzhʹi︠a︡)
Subjects: Petroleum industry and trade
Places: Russia