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Releases by Roger Penn

Cover for Roger Penn · Statistical Analysis of Continuous Data - Sage Benchmarks in Social Research Methods (Hardcover Book) [Four-volume Set Ed. edition] (2013)

Four-volume Set Ed. edition

Statistical Analysis of Continuo... (2013)

Cover for Roger Penn · Skilled Workers in the Class Structure (Paperback Book) (2010)

Skilled Workers in the Class Str... (2010)