000 00291nam a2200109Ia 4500
008 230210s9999 xx 000 0 und d
100 _aSINGH HUKUM
_914714
245 2 _aA HANDBOOK FOR DESIGNING MATHEMATICS LABORATORY IN SCHOOLS
260 _bN.C.E.R.T
_c2005
300 _a185
942 _cBK
999 _c117514
_d117514