Saunders, Robert J. Telecommunications and economic development / Robert J. Saunders, Jeremy J. Warford, Björn Wellenius. - 2nd ed. - Baltimore, USA : Johns Hopkins University Press, c1994. - xviii, 467 p. : ill. ; 24 cm. ISBN: 080184665X Subjects--Topical Terms: Telecommunication--Developing countries.Telecommunication--Mathematical models. Dewey Class. No.: 621.382 / SAT