000 00301nam a2200121Ia 4500
008 220201s1982 xx 000 0 eng d
082 _a621.9
_bSET
100 _aSethi,GS&Kakkar kuldep
245 0 _aWorkshop calculation
260 _bTata mc graw hill publisher
_c1982
300 _a115
942 _2ddc
999 _c83071
_d83071