000 00334nam a2200145Ia 4500
040 _cPK-LaCSN
082 _a1.642
_bSPO
100 _aNA,
245 0 _aComputers studies gce level
260 _c2011
_bRedspot Publication
_aLahore
300 _a400
942 _cTR
999 _c858624
_d858601