TY  - BOOK
AU  - Levitt, Steven D
AU  - Dubner, Stephen J
TI  - Freakonomics : : a rogue economist explores the hidden side of everything 
SN  - 9780141019017
U1  - 330 22
PY  - 2005///
CY  - New Delhi
PB  - Penguin Books
ER  -