000 00286nam a2200109Ia 4500
008 190703s9999 xx 000 0 und d
082 _a621.38196425 D533
100 _aDHAMDHERE,D.M
245 0 _aINTRODUCTION TO SYSTEM SOFTWARE
260 _aNEW DELHI
_bTata McGraw-Hill
942 _cBB
_2DDC
999 _c5526
_d5526