The World Bank. (2009). The little data book on information and communication technology. Washington, D.C: World Bank.
Παραπομπή Chicago StyleThe World Bank. The Little Data Book On Information and Communication Technology. Washington, D.C: World Bank, 2009.
Παραπομπή MLAThe World Bank. The Little Data Book On Information and Communication Technology. Washington, D.C: World Bank, 2009.
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