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Lua i Stíl Chicago (17ú heag.)Nachega, Jean-Claude, agus Thomson Fontaine. Economic Growth and Total Factor Productivity in Niger. [Washington, D.C.]: International Monetary Fund, African Dept., 2006.
Lua MLA (9ú heag.)Nachega, Jean-Claude, agus Thomson Fontaine. Economic Growth and Total Factor Productivity in Niger. International Monetary Fund, African Dept., 2006.
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