@article{ref1,
title="Distinguishing characteristics of effective and ineffective after‐school programs to prevent delinquency and victimization",
journal="Criminology and public policy",
year="2007",
author="Gottfredson, Denise C. and Cross, Amanda and Soulé, David A.",
volume="6",
number="2",
pages="289-318",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="1538-6473",
doi="10.1111/j.1745-9133.2007.00437.x",
url="http://dx.doi.org/10.1111/j.1745-9133.2007.00437.x"
}