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Lua i Stíl Chicago (17ú heag.)Basu, Susanto, John G. Fernald, agus Matthew D. Shapiro. Productivity Growth in the 1990s: Technology, Utilization, or Adjustment? Cambridge: National Bureau of Economic Research, 2001.
Lua MLA (9ú heag.)Basu, Susanto, et al. Productivity Growth in the 1990s: Technology, Utilization, or Adjustment? National Bureau of Economic Research, 2001.
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