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Hoth, Jessica, Schwarz, Bjoern, Kaiser, Gabriele 
ORCID: 0000-0002-6239-0169, Busse, Andreas, König, Johannes ORCID: 0000-0003-3374-9408 and Blömeke, Sigrid ORCID: 0000-0001-6068-4932
(2016).
Uncovering predictors of disagreement: ensuring the quality of expert ratings.
ZDM-the international journal on mathematics education, 48 (1-2).
S. 83 - 96.
HEIDELBERG:
Springer.
ISSN 1863-9704