@article{ref1,
title="Perceived self-efficacy and perceptions of opportunity and threat",
journal="Psychological reports",
year="1993",
author="Krueger, N. F. Jr and Dickson, P. R.",
volume="72",
number="3",
pages="1235-1240",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}