@article{ref1,
title="Decision-making in elementary age children: effects on motor skills and self-concept",
journal="Research quarterly",
year="1977",
author="Martinek, T. J. and Zaichkowsky, L. D. and Cheffers, J. T.",
volume="48",
number="2",
pages="349-357",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0034-5377",
doi="",
url="http://dx.doi.org/"
}