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Encyclopedia of Caves Автор: David C. Culver Год: 2010 |
Barabar Caves Год: 2011 |
Designing and Conducting Health Surveys Автор: Lu Ann Aday Год: 2006 |
World Economic and Social Survey: Trends and Policies in the World Economy (2000) Автор: United Nations Год: 2002 |
Handbook of Survey-Based Business Cycle Analysis (Ifo Economic Policy an Elgar Original Reference) Автор: Frank B. Cross, Robert A. Prentice Год: 2007 |