@book{O’Donnell2008, author = {O’Donnell, O. and Doorslaer, E.V. and Wagstaff, A. and Lindelow, M.}, title= {Analysing Health Equity Using Household Survey Data: A Guide to Techniques and Their Implementation}, year = {2008}, URL = {http://www.dcp2.org/file/146/Analyzing%20Health%20Equity%20Using%20Household%20Survey%20Data.pdf}, address = {Washington, DC}, publisher = {World Bank Institute Learning Resource Series, the World Bank}, }