Nagaraja Rao, M.G. A textbook of social science: history , geography, civis and methodology of teaching/ M. G. Natarajan rao, Y. Sanjeeva Rao. - New Delhi: Vikas, 1995 - uncountable p.: illus. 22 cm. Includes bibliographical references. ISBN: 706998553 Subjects--Topical Terms: Social sciences. Universal Decimal Class. No.: 300