00307nam a22001217a 4500008004100000020001800041082001600059100001900075245002500094260004300119300001000162365001300172260319b        |||||||| |||| 00| 0 eng d  a9788121200905  a181.43bMIS  aMishra, Umesha  aConception on Matter  bGyan Publishing HouseaNew Delhic2025  a427p.  aRsb1170