https://peda.net/id/d9cb1642161 2016-05-09T21:28:39+03:00 https://peda.net/:static/533/peda.net.logo.bg.svg <div class="license">Tämän sivun lisenssi <a rel="license" href="https://peda.net/info">Peda.net-yleislisenssi</a></div> https://peda.net/id/e32351a0161 2016-05-09T21:28:55+03:00 <p>Optional book related to quantitative research in education.</p> <p> </p> <p><strong>Additional material</strong></p> <p>What works Clearinghouse website <a href="http://ies.ed.gov/ncee/wwc/" rel="nofollow ugc noopener">http://ies.ed.gov/ncee/wwc/</a></p> 2016-05-09T21:28:55+03:00