000 00335nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c200
040 _aBED
100 _aGPH Panel of Experts
245 0 _aPedagogy of Mathematics BSE-143
260 _bGullyBaba Pub. House
_aDelhi
300 _a238
500 _a3090
942 _cBK
999 _c3090
_d3090