00548nam a2200205Ia 450000500170000000800410001702000120005804000190007004100120008908200160010110000150011724500820013225000160021426000270023030000210025750400230027865000140030170000160031585000110033120240426133748.0131103s9999    xx            000 0 und d  cRs.4.90  aLoreto College  aEnglish  a371.3 bSIN  aSing, L.C.  aExperimentation and Innovation in Schoolsb cL.C.Sing, J.C.Goyal, Ajit Singh  aa handbook   aNew DelhibNCERTc1979  avi,160p.b chart  aIncludes reference  aEducation  aGoyal, J.C.  aLCBED