000 00289nam a2200121Ia 4500
008 220201s1987 xx 000 0 eng d
082 _a510
_bPRA
100 _aPrasad,IB
245 0 _aText book of practical mathematics
260 _bKhanna publisher
_c1987
300 _a816
942 _2ddc
999 _c83863
_d83863