000 00431nam a2200157Ia 4500
020 _a9780590993906
040 _cPK-LaCSN
082 _a001.642
_bDUD
100 _aSalvia Langfield
245 0 _aCambridge international AS and A Lavel Comuter Science Course Book
260 _c2015
_bCambridge University Press
_aCambridge
300 _a442
942 _cTR
999 _c861111
_d861088