TY - BOOK AU - Noumba Um,Paul TI - A model for calculating interconnection costs in telecommunications U1 - 384.64 22 PY - 2004/// CY - Washington, D.C. PB - World Bank, PPIAF KW - Telecommunication KW - Rates KW - Africa, Sub-Saharan KW - Mathematical models KW - Costs N1 - Includes bibliographical references (p. 67) ER -