How good a map? : Putting small area estimation to the test / Gabriel Demombynes, Chris Elbers, Jean O. Lanjouw, Peter Lanjouw. - Washington : World Bank, 2007. - 41p. : ill. ; 28cm.см.. - (Policy research working paper; 4155). - Bibliogr.: p. 21, 35. - [n.p.][MFN: 15240]