@article{ref1,
title="Characteristics of effective and ineffective after‐school programs",
journal="Criminology and public policy",
year="2007",
author="McGarrell, Edmund F.",
volume="6",
number="2",
pages="283-288",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1538-6473",
doi="10.1111/j.1745-9133.2007.00436.x",
url="http://dx.doi.org/10.1111/j.1745-9133.2007.00436.x"
}