000 00332 a2200145 4500
020 _a1857583035
041 _aEn
082 _a004
_bRAC
100 _aRackham , Tony
245 _aGCSE computer studies
260 _c1984
_aLondon
_bLetts Educational
_g1984
300 _c29 cm.
_a221 p.
650 _aCOMPUTER SCIENCE
942 _cLN
999 _c13509
_d15056