Thorpe, Edgar Thorpe, Showick General studies paper I Vol.4 : for the civil services preliminary examination / by Edgar Thorpe and Showick Thorpe - Delhi : Pearson , 2014 . - 413 p. Paper Back ISBN: 9789332558717 Subjects--Topical Terms: Social sciences EducationSystems of educationGeneral science Dewey Class. No.: 371.26 / EDG-G V.4