Um, Paul Noumba, et al. Model for Calculating Interconnection Costs in Telecommunications,
The World Bank, 2004, X, 67 с. : с табл., диагр., 0-8213-5671-2.
Um, Paul Noumba, et al. .
Model for Calculating Interconnection Costs in Telecommunications.
Washington: The World Bank, 2004, X, 67 с. : с табл., диагр., 0-8213-5671-2.
Um, Paul Noumba, et al. (2004)
Model for Calculating Interconnection Costs in Telecommunications,
Washington: The World Bank, X, 67 с. : с табл., диагр., 0-8213-5671-2
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