00547nam a2200157Ia 4500 0000021416 20251012174640.0 1994 uk c 080184665X Telecommunications and economic development Robert J. Saunders, Jeremy J. Warford, Bjorn Wellenius 2nd ed. Baltimore, (Md.) Johns Hopkins University Press 1994 xviii, 467p. 23cm Telecommunication Mathematical models Telecommunication Developing countries 8023 8023 0 0 0 0 KEM KEM 2012-12-07 0 0000009090 2025-10-12 08:36:10 2025-10-12 OS