By Singh, B and Singh, A P General Studies 2019: for UPSC, SSC, Railways, PSUs, Banks and Other Competitive Exams - 13th Ed. - New Delhi: Made Easy Publication; 2018. - 589p. ISBN: 9789351473749 Subjects--Topical Terms: General Studdies - Competitive Exams Dewey Class. No.: 378.1662 / SIN