Leech,Nancy L SPSS for Intermediate Statistics; Use and Interpretation Nancy L. Leech,Karen C. Barrett, George A. Morgan - rev.,ed. - United States of America Lawrence Erlbaum Associates, Inc. 2005 - 255p.: ill. includes index and bibliography ISBN: 0805847901 Subjects--Topical Terms: Education--Computer science Dewey Class. No.: 000.01 LEE