@article{ref1,
title="All-day kindergarten--Assumptions, precautions, and overgeneralizations",
journal="Early childhood research quarterly",
year="1989",
author="Caldwell, Bettye M.",
volume="4",
number="2",
pages="261-266",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0885-2006",
doi="10.1016/S0885-2006(89)80007-9",
url="http://dx.doi.org/10.1016/S0885-2006(89)80007-9"
}