Puga, D., & Venables, A. (2011). Agglomeration and Economic Development: Import Substitution vs. Trade Liberalisation.
Lua i Stíl Chicago (17ú heag.)Puga, D., agus A. Venables. Agglomeration and Economic Development: Import Substitution Vs. Trade Liberalisation. 2011.
Lua MLA (9ú heag.)Puga, D., agus A. Venables. Agglomeration and Economic Development: Import Substitution Vs. Trade Liberalisation. 2011.
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