Ravallion, M. (2001). Measuring aggregate welfare in developing countries: How well do national accounts and surveys agreen. World Bank.
Dyfyniad Arddull ChicagoRavallion, Martin. Measuring Aggregate Welfare in Developing Countries: How Well Do National Accounts and Surveys Agreen. Washington, D.C: World Bank, 2001.
Dyfyniad MLARavallion, Martin. Measuring Aggregate Welfare in Developing Countries: How Well Do National Accounts and Surveys Agreen. World Bank, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.