@article{ref1,
title="Ethical Challenges",
journal="American journal of evaluation",
year="2003",
author="Morris, Michael",
volume="24",
number="3",
pages="409-410",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1098-2140",
doi="10.1177/109821400302400309",
url="http://dx.doi.org/10.1177/109821400302400309"
}