00338nam a2200109Ia 4500008004100000020001800041082001500059100002600074245007000100260004600170300001200216190710s9999    xx            000 0 und d  a81-8457-260-5  a372.83 Sh2  aSharma, Shashi Prabha 0aTeaching of social studies : principles, approaches and practices  aNew DelhibKanishka Publishers, Disc2011  axvi,447