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Rasch Meta-Metres of Growth for Some Intelligence and Attainment Tests : A Meta-Metre for So...
by Andrich, David, Marais, Ida...
ISBN: 9789819946921
List Price: $139.99
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Course in Rasch Measurement Theory : Measuring in the Educational, Social and Health Sciences
by Andrich, David, Marais, Ida
ISBN: 9789811374951
List Price: $84.99