@inbook{8062822086294990ab334951cd21c106,
title = "Preparing teachers to teach robotics in primary school",
author = "L.A.M.P. Slangen and {van Keulen}, Johannes and K.P.E. Gravemeijer",
year = "2011",
language = "English",
isbn = "978-94-6091-710-3",
series = "International Technology Education Studies",
publisher = "Sense Publishers",
pages = "181--199",
editor = "{Vries, de}, M.J. and {Keulen, van}, H. and S. Peters and {Walma van der Molen}, J.",
booktitle = "Professional development for primary teachers in science and technology : the Dutch VTB-Pro project in an international perspective",
}