<?xml version="1.0"?>
<dblp>
<article key="journals/jcal/JacksonKK01" mdate="2004-08-25">
<author>A. Jackson</author>
<author>P. Kutnick</author>
<author>A. Kington</author>
<title>Principles and practical grouping for the use of drill and practice programs.</title>
<pages>130-141</pages>
<year>2001</year>
<volume>17</volume>
<journal>J. Comp. Assisted Learning</journal>
<number>2</number>
<ee>http://dx.doi.org/10.1046/j.0266-4909.2001.00166.x</ee>
<url>db/journals/jcal/jcal17.html#JacksonKK01</url>
</article>
</dblp>
