Maitra, S. Economic and social development: For civil services preliminary examination 2018/ S Mitra - 2nd - Roorkee: CL Media, 2018. - 337 pages : 24 cm. Prelims special (Paper- I) ISBN: 9789386860392 Subjects--Topical Terms: General studies.UPSC.General knowledge. Dewey Class. No.: 030 MAI