Ida Marais - books and biography
Ida Marais - books and biography
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Paper book «A Course in Rasch Measurement Theory: Measuring in the Educational, Social and Health Sciences», authors David Andrich, Ida Marais – фото №1
Paper book «Rasch Meta-Metres of Growth for Some Intelligence and Attainment Tests», authors David Andrich, Ida Marais, Sonia Sappl – фото №1
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Rasch Meta-Metres of Growth for Some Intelligence and Attainment Tests
David Andrich David Andrich, Ida Marais, Sonia Sappl
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