00511nam a2200181Ia 4500 170901s1980 xx 000 0 und d 301.1 G23S Gautam, Padam Nabh Social Interaction in Educational Institutions Delhi Yugbodh Publishing House 1980 212 Social sciences Sociology Interaction analysis in education Psychology of learning Social psychology ddc BK 1088 1088 0 0 ddc 0 0 RAU RAU 2017-10-18 0 301.1 G23S 22805 2017-10-18 2017-10-18 BK