Grootaert, Christiaan,  1950- <br/><br/>
The conceptual basis of measures and household welfare and their imp lied survey data requirements / 
[by] Christiaan Grootaert. 
 - Washington, D.C.:  IBRD,  1983. 
 - 21 p.;  25 cm. 
 - World Bank reprint series ;  no. 258. .