000 00311nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a9781298318281
082 _a004WAT
100 _aWatson David
245 0 _aCambridge IGCSE and O Level Computer Science
260 _bHodder Education
_c2021
942 _cBK
999 _c481160
_d481160