@book{a4c2d5c2c1f045738dc9f0a5e292fc21,
title = "Vakdidactiek handboek aardrijkskunde",
author = "G. Berg and A. Bosschaart and R.J. Kolkman and I. Pauw and {van der Schee}, J.A. and L. Vankan",
year = "2009",
language = "Dutch",
publisher = "ILO",
}