000 00363nam a2200145Ia 4500
020 _a9781471809309
082 _bT-1272
_a001.642
100 _a"Watson David"
245 0 _acambridge igcse computer science
260 _bCambridge University Press
_aUK
_c2013
300 _a180
944 _cTB
999 _c221250
_d221250