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1. Assessing the quality of survey data by Blasius, J�org, Publication: London ; | Thousand Oaks, CA : Sage Publications, 2012 . 1 online resource (xi, 174 pages :) : Date:2012 Availability: No items available: Actions: Add to cart
2. Visualization of categorical data   Publication: San Diego : Academic Press, 1998 . 1 online resource (xiv, 594 p.) : Date:1998 Availability: No items available: Actions: Add to cart