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. ; 28 cm.
- World Bank technical papers, Africa Technical Department series no. 141. 0253-7494 ; .
- World Bank technical paper ; no. 141. World Bank technical paper. Africa Technical Department series .