00617cam a2200229 a 4500 0155459872 DLC 519 HAR 1991 A024 Or. Welkowitz, Joan. Introductory statistics for the behavioral sciences / 4th ed. San Diego : Harcourt Brace Jovanovich, c1991. xv, 391 p. : ill. (some col.) ; 25 cm. Includes index. Social sciences Psychometrics. Sociology Education Ewen, Robert B., Cohen, Jacob, EK 13799 13799 0 0 0 519_000000000000000_HAR_1991_A057_OR 0 65272 LBA LBA A057 2017-08-31 519 HAR 1991 A057 Or. A16592 2017-08-31 EK