00339nam a2200145Ia 45000030006000000080041000060400015000471000030000622450025000922500006001172600035001233000006001585460012001640050017001760STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBhattacharyya Humar Dipah  aResearch Methodology  a2  bExcel Book; Delhic2006aDelhi  a0  aEnglish20220125160150.0