@article{ref1,
title="Alternative strategies for school violence prevention",
journal="New directions for youth development",
year="2001",
author="Gagnon, J. C. and Leone, P. E.",
volume="92",
number="",
pages="101-125",
abstract="A number of programs with empirical evidence of effectiveness in addressing problems of aggression and disruption have emerged in schools.<p /><p>Language: en</p>",
language="en",
issn="1533-8916",
doi="",
url="http://dx.doi.org/"
}