000 00297nam a2200121Ia 4500
005 20260413100431.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aSethi ,G.S.
245 0 _aWorkshop Calculation & Science
260 _bNew Delhi ,Tata McGraw Hill
_c2000
300 _a112
942 _cDB
999 _c982
_d982