@inproceedings{f8552cbad47b4963b320bffff6d83504,
title = "What makes teaching science and technology difficult? Investiggating pre-service teachers'Knowledge level",
keywords = "conference contrib. refereed, Conf.proc. > 3 pag",
author = "MI Koski and {de Vries}, MJ",
year = "2011",
language = "English",
isbn = "978-1-906897-10-9",
publisher = "Goldsmiths University of London",
pages = "236--242",
editor = "K Stables and C Benson and {de Vries}, M.J.",
booktitle = "Patt 25: cript 8",
note = "PATT congres July 1-5 ; Conference date: 01-07-2011 Through 05-07-2011",
}