@article{ref1,
title="Social-cognitive skill development with sixth graders and its initial impact on substance use",
journal="Journal of drug education",
year="1988",
author="Gersick, K. E. and Grady, K. and Snow, D. L.",
volume="18",
number="1",
pages="55-70",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0047-2379",
doi="",
url="http://dx.doi.org/"
}