@article{ref1,
title="School-related attitudes in middle-school age students",
journal="American educational research journal",
year="1969",
author="Yamamoto, Kaoru and Thomas, Elizabeth C. and Karns, Edward A.",
volume="6",
number="2",
pages="191-206",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0002-8312",
doi="10.3102/00028312006002191",
url="http://dx.doi.org/10.3102/00028312006002191"
}