Pandey Manohar General studies : for civil services preliminary examination Paper I- 2020 / Manohar Pandey - Meerut : Arihant, 2020. - 32+01-8-48 p.; 27cm. ISBN: 9789313198307 Subjects--Topical Terms: General studies-civil services examination Dewey Class. No.: RZ 001.076 / PAN/P20