00719nam a22002297a 450000500170000000800410001701000150005802000260007303500130009903500170011203700130012903700480014204000130019008200140020310000160021724500830023326000340031627000460035030000240039650000500042070000190047020130513154612.0120514t        xxu||||| |||| 00| 0 eng d  aENG-105261  a9788120345447c250.00  aEN-88794  aB-491966-986  bDBAD/PUB  bResearcho Books & Periodicals Pvt. Ltd./Ven  aDPLbEng  a372.35044  aKalra, R.M.  aTeaching of science :cby  R.M. Kalra [and] Vandana Guptaba modern approach /  aNew DelhibPHI Learningc2012  aM-97, Connaught CircusbNew Delhie110001  ax,206p. c24cm(pbk)  aIncludes bibliographical references and index  aGupta, Vandana