@techreport{fc7428dc74bb45a2b0c16cf922994000,
title = "ROA-beroepenclassificatie 1990",
author = "R. Dekker and {de Grip}, A. and {van de Loo}, P.J.E.",
year = "1990",
month = jan,
day = "1",
doi = "10.26481/umarow.1990009",
language = "Dutch",
isbn = "90-5321-054-7",
series = "ROA Working Papers",
publisher = "Researchcentrum voor Onderwijs en Arbeidsmarkt, Faculteit der Economische Wetenschappen",
number = "9",
type = "WorkingPaper",
institution = "Researchcentrum voor Onderwijs en Arbeidsmarkt, Faculteit der Economische Wetenschappen",
}