Riverson, John D. N Rural roads in Sub-Saharan Africa : lessons from World Bank exper ience / John Riverson, Juan Gaviria, and Sydney Thriscutt. - Washington, D.C. : World Bank, 1991. - xii, 48 p. : ill. ; 28 cm. - World Bank technical papers ; no. 141. . Includes bibliographical references. ISBN: 0821318691 Subjects--Topical Terms: Rural roads