000 00386nam a22001457a 4500
008 151105b xxu||||| |||| 00| 0 eng d
082 _a353.8 DAT
100 _aDat, Poly
_93263
245 _aEncyclopedia of Teaching Science (vol 1 & 2)
260 _aNew Delhi
_bSarap Pub.
_c2011
300 _a343p.
600 _aEducation
_968
650 _xEducation Books
_93264
942 _2ddc
_cBK
999 _c19514
_d19514