000 00265nam a22000857a 4500
008 210224b ||||| |||| 00| 0 eng d
050 _aQA76 .B73
245 _aUnderstanding computer science for advanced level
_cBRADLEY, RAY
942 _2lcc
_hQA76 .B73 2001
999 _c695
_d695