Riverson, J. D. N. Rural roads in Sub-Saharan Africa : lessons from World Bank experience / John Riverson, Juan Gaviria, and Sydney Thriscutt. - Washington, D.C. : World Bank, 1991. - xii, 48 p. : ill. ; ISBN: 0821318691 Subjects--Topical Terms: Rural roads LC Class. No.: HE367.A453 / R857 1991 Dewey Class. No.: