000 00323nam a22001217a 4500
999 _c7323
_d7323
008 210120b ||||| |||| 00| 0 eng d
100 _aB.Venkata Rao
245 _aTechniques of Teaching Chemistry
260 _aNew Delhi
_bSonali Publications
_c2019
300 _a215p
650 _aChemistry-Study and Teaching
942 _cBK