000 00323nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c150
040 _aET
100 _aUpadhyay, Rajani
245 0 _aPedagogy of Mathematics
260 _bR. Lal Book Depot
_aMeerut
300 _a268
500 _a57883
942 _cBK
999 _c63846
_d63846