@book{c3e2a61b337a4977848ad5d469dd076b,
title = "Professional development for primary teachers in science and technology: The Dutch VTB-Pro project in an international perspective",
keywords = "METIS-280967",
author = "{de Vries}, {Marc J.} and {van Keulen}, Hanno and Sylvia Peters and {Walma van der Molen}, Juliette",
year = "2011",
doi = "10.1007/978-94-6091-713-4",
language = "English",
isbn = "978-94-6091-710-3",
series = "International Technology Education Studies",
publisher = "Sense Publishers",
}