000 00342nam a2200145Ia 4500
020 _a9698479708
082 _bT 462
_a001.642
100 _a"Powers, G.K."
245 0 _aComputer Studies
260 _bNoorSons Publications
_aKarachi
_c2005
300 _a80
944 _cTB
999 _c700186
_d700186