TY  - BOOK
AU  - Ravallion, Martin
AU  - World Bank
TI  - The developing world's bulging (but vulnerable) middle clas
PY  - 2009///
CY  - Washington
PB  - World Bank
UR  - http://elibrary.igidr.ac.in/e-library/working papers/World Bank/PRWP/2009/E678.pdf
ER  -