Reddy, Mallela Pitchi. Techniques of teaching social science / By Mallela Pitchi Reddy, Digumarti Bhaskara Rao. - 1st Ed. - New Delhi : Sonali Publications, 2007. - 236p. ; 00 cm. ISBN: 818411060x Subjects--Topical Terms: SOCIAL SCIENCE. Dewey Class. No.: 301 / RED