izlaidumi no Johannes Schepers

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Cover for Johannes Schepers · Factor Analysis: Psychometric Study Guide for Postgraduate Students (Paperback Book) (2010)

Factor Analysis: Psychometric St... (2010)

Johannes Schepers

Cover for Johannes Schepers · Test Construction: Theory and Practice: a Course for Beginners (Paperback Book) (2009)

Test Construction: Theory and Pr... (2009)

Johannes Schepers