000 00351nam a2200145Ia 4500
020 _a9781107546738
082 _bT-318
_a001.642
100 _a"LANGFIELD SYLVIA"
245 0 _aIGCSE AND O LEVEL COMPUTER SCIENCE
260 _bCAMBRIDGE
_aUK
_c2002
300 _a350
944 _cTB
999 _c633412
_d633412