000 00363nam a2200145Ia 4500
020 _a9780521170635
082 _b552 T
_a030
100 _a"leadbetter, chris"
245 0 _acambridge igcse computer studies
260 _bCambridge University Press,
_aUK
_c2013
300 _a306
944 _cR
999 _c739927
_d739927