TY - BOOK T1 - SPSS 6.1 guide to data analysis A1 - Norusis, Marija J. 1948- LA - English UL - https://tuklas.up.edu.ph/Record/UP-1685594773861248649 OP - 582 CN - HA 32 N65 SN - 0134370546 KW - SPSS (Computer file) KW - Social sciences : Statistical methods : Computer programs. ER -