Leech, Nancy L. I B M S P S S For Intermediate Statistics: Use and Interpretation / Nancy L. Leech, Karen C. Barrett and George A. Morgan - 5th ed. - New York: Routledge, 2019. - xiii,368p. col. ill.; 30cm (Pb) Includes index. English ISBN: 9780367240769 Dewey Class. No.: 005.55 L42I