00383nam a2200169Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082001500095100001600110245002600126260003800152300000900190650001400199OSt20250915105803.0250729s2004    xx            000 0 und d  a9788176485203  cAL  aeng  a540.7 MITT  aMittal Arun  aTeaching of chemistry  aNew DelhibA P H Publishingc2004  a298p  aChemistry