George Darren IBM SPSS statistics 23 step by step A simple guide and reference - 14th - New York Routledge 2016 - xiii,382p. cm. ISBN: UKP 62.99 Standard No.: 136523 Source: 155, 22/11/2017, Classic Book Service Textual Subjects--Topical Terms: Financial Studies Dewey Class. No.: D6,8(B289SPSS), Q6