00718nam a22001577a 4500020001500000082001600015100003600031245007200067260003600139300003100175500001700206650017600223942000700399952013700406999001700543  a0821356712  a384.64bNOU  aNoumba Um, PaulaGille, Laurent  aA model for calculating interconnection costs in telecommunications  aWashignton DCbWorld Bankc2004  ax, 67 p.b: ill.c; 28 cm.  aBibliography  aTelecommunications- AfricaaMathematical modelsaTelecommunications- costsvUser guide for telecommunicationsvCost modelsvMathematical modelsvCost in telecommunications  cBK  00104070aRIUbRIUd2015-01-20ePurchased: Pak Book Cooperationg912.00l0o384.64 NOUp20839r2015-01-20 00:00:00w2015-01-20yBK  c12807d12807