<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><style></style></head><body style="background: #FFFFFF; font-family: arial; font-size: 10pt; margin: 0px; padding: 0px;"> Kedves Listatagok!<br>Van valakinek hozzáférése a következőhöz? Szeretném elkérni:<br><h3 class="gs_rt"><a href="http://www.tandfonline.com/doi/abs/10.1080/14794802.2014.918349" data-clk="hl=hu&sa=T&ct=res&cd=2&ei=VhXQVsm6MY-lmAGh_IGwDg">Instrumental and documentational approaches: From technology use to documentation systems in university mathematics education</a></h3><div class="gs_a"><a href="https://scholar.google.hu/citations?user=oSkCxq8AAAAJ&hl=hu&oi=sra">G Gueudet</a>, C Buteau, <a href="https://scholar.google.hu/citations?user=6K6vhyMAAAAJ&hl=hu&oi=sra">V Mesa</a>… - Research in Mathematics …, 2014 - Taylor & Francis<br><br>Köszönettel:<br>Stumpfné Oláh Etelka<br>EKF Comenius Könyvtár<br>Sárospatak<br></div><br></body></html>