Search for: [Subject and Keywords = Stanisław Leszczycki] OR [Subject and Keywords = economic geography] OR [Subject and Keywords = economic region] OR [Subject and Keywords = theory of geography] OR [Subject and Keywords = theory of economic geography] OR [Subject and Keywords = regional divisions] OR [Subject and Keywords = factor analysis] OR [Subject and Keywords = measures of concentration] OR [Subject and Keywords = regional statistics] OR [Subject and Keywords = Stanisław Leszczycki] OR [Subject and Keywords = geografia ekonomiczna] OR [Subject and Keywords = teoria geografii] OR [Subject and Keywords = teoria geografii ekonomicznej] OR [Subject and Keywords = region ekonomiczny] OR [Subject and Keywords = podziały regionalne] OR [Subject and Keywords = modele matematyczne] OR [Subject and Keywords = analiza czynnikowa] OR [Subject and Keywords = miary koncentracji] OR [Subject and Keywords = statystyka regionalna] OR [Title = Przegląd Geograficzny T. 39 z. 1 \(1967\)] OR [Title = Przegląd Geograficzny T. 39 z. 1 \(1967\)]