1.
Steven D. Levitt and Stephen J. Dubner. Superfreakonomics: Global Cooling, Patriotic Prostitutes, and Why Suicide Bombers Should Buy Life Insurance. London: Penguin Books Ltd. 2009. 270 pages. Paperback. £ 14.99. PDR. 2009;48(2):pp.171-172. doi:10.30541/v48i2pp.171-172