000 00444nam a22001817a 4500
003 OSt
005 20170406013322.0
008 170406b xxu||||| |||| 00| 0 eng d
020 _a9788176489425
082 _a507.1
_bJOS
100 _aJoshi, S. R.
245 _aTeaching of science
_cS. R. Johsi
260 _aNew Delhi
_bA. P. H.
_c2016
300 _a383p.
650 _aEducation
650 _aScience - Study & Teaching
942 _2ddc
_cBK
999 _c1056
_d1056