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Uitgaven door Mark S. Litwin

Cover for Mark S. Litwin · How To Assess and Interpret Survey Psychometrics (Paperback Book) [2 Revised edition] (2003)

2 Revised edition

How To Assess and Interpret Surv... (2003)

Cover for Mark S. Litwin · How to Measure Survey Reliability and Validity (Paperback Book) (1995)

How to Measure Survey Reliabilit... (1995)