00348nam a2200145Ia 4500003000400000005001700004008004100021040000700062041000800069082001500077100002100092245003200113260004800145300000900193OSt20260723100538.0260720s2006    xx            000 0 und d  cAL  aeng  a500.7 SREM  aSree, Kandi Jaya  aMethods of teaching science  aNew DelhibDiscovery Publishing Housec2006  a319p