TY - BOOK AU - "Levitt, Steven D.; Dubner, Stephen J" TI - Freakonomics: a rogue economist explores the hidden side of everything SN - 978-0141019017 U1 - 330 LEV PY - 2009/// CY - New York PB - Penguin Books KW - Economics--Sociological aspects KW - Economics--Psychological aspects ER -