@inbook{52ce707f488d442e94c96eb7943ffbf2,
title = "Betrouwbaarheid en validiteit van de niveaus van het ontwikkelingsprofiel. (Reliability and validity of the levels of the Developmental Profile)",
author = "Marike Polak and J Overeem-Seldenrijk and Abraham, {R E}",
year = "2005",
language = "Undefined/Unknown",
isbn = "9789023238881",
pages = "Ch. 20",
editor = "R.E. Abraham",
booktitle = "Het Ontwikkelingsprofiel in de praktijk",
publisher = "Koninklijke Van Gorcum BV",
address = "Netherlands",
}