00439nam a22001577a 450000500170000001000150001702000230003203500140005503700130006908200100008210000170009224500430010926000410015227000660019330000220025920170428155926.0  aENG-117990  a8187818956c350.00  aEN-101522  bDBAD/PUB  a507.1  aRawat,Hemant  aTeaching of science /cby Hemant Rawat  aNew DelhibLakshay Publicationc2011  a7/26, Ground Floor, Ansari Road, DaryaganjbNew Delhie110002  a313p.c23cm (pbk)