00613nam a22002057a 450000500170000001000130001702000100003003500130004003700170005304000120007008200130008210000220009524500880011726000590020527000570026430000310032165000200035270000180037270000170039020170124105933.0  aA-681505  c20.00  aA-681505  bCen Lib/ Ret  aDPLbEN  a300bAGG  aAggarwal, Kuldeep  aUnderstanding social science /cby Kuldeep Aggarwal, K.Ratna Rao [and] B. Malhotra   aNew DelhibPitambar Publishing Company Pvt. Ltd.c200?  a888, East Park Road , Karol Bagh bNew Delhie110005  a72p. :bCol.ill.c23cm(Hb)  aSocial Science   aRao, K. Ratna  aMalhotra, B.