000 00388nam a2200157Ia 4500
020 _a0330371371
040 _cPK-LaCSN
082 _a001.642
_bWAT
100 _a"David Watson"
245 0 _aCambridge IGCSE And O Level Computer Science
260 _c2021
_bHodder Education
_aLondon
300 _a390
942 _cTB
999 _c861412
_d861389