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230705s2007 dcua gr ||||||eng d |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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| 245 |
1 |
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|a Price structure and network externalities in the telecommunications industry :
|b evidence from Sub-Saharan Africa /
|c Atsushi Limi.
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| 260 |
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|a Washington, DC :
|b The World Bank, Finance, Economics, and Urban Department,
|c 2007.
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| 300 |
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|a 42 páginas :
|b ilustraciones en blanco y negro.
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| 490 |
0 |
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|a Policy research working paper
|v 4200
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| 949 |
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|a -AEM
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