Obure, Ming'ala J. Handbook for data analysis using SPSS : mastering SPSS for Windows & statistics in plain English text: for researchers and data analysts / Ming'ala J. Obure. - Nairobi : M & O Data Expert Training and Consultants, c2002. - xiv, 316 p. ; 27 cm. Subjects--Topical Terms: Statistics--Data processing.Statistics--Computer programs. LC Class. No.: QA276.4 / .O28