00840nam a22002417a 450000500170000001000130001702000220003003500130005203700170006504000120008208200130009410000230010724500840013026000590021427000570027330000320033065000260036270000240038870000230041294200220043599900190045795201220047620170124105933.0  aA-681507  c32.00a8120907256  aA-681507  bCen Lib/ Ret  aDPLbEN  a300bAGG  aAggarwal, K.98811  aUnderstanding social studies  /cby K. Aggarwal, K.Ratna Rao [and] B. Malhotra   aNew DelhibPitambar Publishing Company Pvt. Ltd.c1993  a888, East Park Road , Karol Bagh bNew Delhie110005  a143p. :bCol.ill.c23cm(Hb)  aSocial Science 98812  aRao, K. Ratna98795  aMalhotra, B.98796  2ddccENh300mAGG  c123985d123985  00104070aLbLd2015-06-13eCen Lib/Retg32.00l0o300 AGGpA-681507r2015-06-13 00:00:00t1v32.00w2015-06-13yEN