000 00339nam a2200145Ia 4500
020 _a0340605561
082 _b2288
_a001.642
100 _a"WALSH JOHN"
245 0 _aComputing studies
260 _bHodder & Stoughton
_aPakistan
_c1994
300 _a316
944 _cTR
999 _c699327
_d699327