Rao,B V History of the modern world: as per UPSC syllabus for IAS and other civil services examinations from AD 1500 to AD 2019 - New Delhi: Sterling; 2021. - xvi,544p. ISBN: 9789386245663 Subjects--Topical Terms: UPSC,IAS,Civil service examinations,PSC Dewey Class. No.: 001 / P21