00406nam a2200169Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082001500095100001600110245004300126260003900169300000900208650001900217OSt20250912144038.0250729s2005    xx            000 0 und d  a9788176486989  cAL  aeng  a930.7 DHAR  aGupta Kumar  aResearch in teaching of social science  aNew DelhibAshish Publishingc2005  a210p  aSocial Studies