00300nam a2200121Ia 450000500170000000800410001704100080005808200150006610000210008124500310010226000360013330000090016920260720174822.0260720s2012    xx            000 0 und d  aeng  a900.7 DHAT  aDharmendra Kumar  aTeaching of Social Studies  aMeerutbR Lall Book Depotc2012  a241p