000 00347nam a22001457a 4500
005 20251122141900.0
020 _a9789552313882
082 _a540
_bTAN
100 _aTantirigoda, R.U.
_9847
245 _aChemical formulae and calculations: unit IV/
260 _aNawala:
_bOUSL,
_c2012.
300 _aiii, 136p.
650 0 _aChemistry
942 _cBK
999 _c5149
_d5149