00349nam a2200145Ia 45000030006000000080041000060400015000471000019000622450050000812500006001312600031001373000006001685460012001740050017001860STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aWaghmare, Y.R.  aScience of Education and Education of Science  a1  bAuthors Press; Delhic2008  a0  aEnglish20220125165739.0