000 00275nam a2200109Ia 4500
008 220201s1994 xx 000 0 eng d
100 _aManjeet Singh
245 0 _aPolytechnic mathematics made easy
260 _bDelhi: Dhanpat Rai & Sons
_c1994
300 _a32
942 _2ddc
999 _c86077
_d86077