000 00311nam a2200133Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c95
040 _aET
100 _aAggarwal R.B.
245 0 _aErrors & MIS cancelation in Maths
260 _bAPH Publication
_aNEW DELHI
500 _a56235
942 _cBK
999 _c62248
_d62248