00317nam a2200121Ia 45000030006000000080041000060400015000471000019000622450049000812600036001305460012001660050017001780STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMukunda,N.; Ed  aResonance journal of science education vol-6  bIndian Academy of Sciencec2001  aEnglish20220125165840.0