00428nam a2200169 a 450000500170000002000180001708200160003510000170005124500550006826000460012330000300016960000080019963000220020763000170022985600060024685600060025220251219155931.0  a9789350125731  a540.76bGUP  aGupta, R.d_  aJoint CSIR-UGC NET Chemical sciencesbpart - b & c  aNew DelhibRamesh Publishing HouseRc2025  aviii, [850]p.c24 cm.bPB  bc_  aChemical sciences  aCSIR-UGC NET  f_  a_