00569nam a22001457a 4500 0821356712 384.64 NOU Noumba Um, Paul Gille, Laurent A model for calculating interconnection costs in telecommunications Washignton DC World Bank 2004 x, 67 p. : ill. ; 28 cm. Bibliography Telecommunications- Africa Mathematical models Telecommunications- costs User guide for telecommunications Cost models Mathematical models Cost in telecommunications BK 0 0 0 0 RIU RIU 2015-01-20 Purchased: Pak Book Cooperation 912.00 0 384.64 NOU 20839 2015-01-20 00:00:00 2015-01-20 BK 12807 12807