World Bank. (2003). Private participation in infrastructure: Trends in developing countries in 1990 - 2001. Washington, D. C: The World Bank.
Παραπομπή Chicago StyleWorld Bank. Private Participation in Infrastructure: Trends in Developing Countries in 1990 - 2001. Washington, D. C: The World Bank, 2003.
Παραπομπή MLAWorld Bank. Private Participation in Infrastructure: Trends in Developing Countries in 1990 - 2001. Washington, D. C: The World Bank, 2003.
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