000 00400nam a2200145Ia 4500
008 211201s2020 xx 000 0 eng d
020 _a9788199665427
082 _a375.51
100 _aMANKATALIA, SHALINI, MIGLANI,R.R
245 0 _aDEVELOPMENT OF MATHEMATICAL CONCEPT IN CHILDREN
260 _bDOABA BOOK HOUSE
_aNew Delhi
_c2020
300 _aXI,187
650 _aEducation
942 _2ddc
_cDOE
_016
999 _c4509
_d4509