Artikel 9, p. 438-439 - Editie 11 - 1980
Feuilleton Visser: De bevolking van Zaïre Among others the results show a low inter judge agreement and low coefficients of correlation between the several phases of a treatment plan and the final grade. Further research is a necessity. Literatuur: 1. Borgesius, T. G. (1973): Beoordelen van...
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