000 00254nam a2200109Ia 4500
020 _a0074635794
082 _a005.43
100 _aPHAMDHERE, P.M
245 _aSYSTEMS PROGRAMMING + OPERATING SYSTEMS
260 _aNEW DELHI
_b TECH MADIA
_c1999
942 _cBK
999 _c5507
_d5507