@techreport{Urdal2009,
author = {Urdal, H. and Hoelscher, K.},
title= {Urban youth bulges and social disorder an empirical study of Asian and sub-Saharan African cities},
year = {2009},
doi = {10.1596/1813-9450-5110},
URL = {https://doi.org/10.1596/1813-9450-5110},
publisher = {The World Bank},
address = {Washington, D.C},
number = {World Bank Policy Research Working Paper WPS 5110},
}