00363nam a22001217a 4500082001900000100002300019245007400042260004300116300001900159650002300178650002200201700001800223  a541.3  bGOK/P  aGokulachandran T M  aPhysical and applied chemistry/cT M Gokulachandran and Joby Thomas K  aCalicut:bManjusha Publicaions,c2020.  a232p. ;b25cm.  aPhysical Chemistry  aApplied Chemistry  aJoby Thomas K