00353nam a2200121Ia 450000500170000000800410001708200150005810000190007324500310009226000580012330000120018165000380019320240821155902.0240821s9999||||xx |||||||||||||| ||und||  a372.83 RAO  aRao, M. Prabha 0aTeaching of social studies  aNew DelhibDominant Publishers and Distributorsc2005  av,252p.  aSocial science-study and teaching