000 00287nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSingh, Hukum
245 2 _aA Handbook For Designing Mathmatics Labortatory In School
260 _aNCERT
_bNCERT
_c2005
300 _a186p.
942 _cBK
999 _c14012
_d14012