000 00392 a2200157 4500
020 _a9559367943
041 _aSn
082 _a005.84
_bPEI
100 _aPeiris , T.H.C.
245 _aපරිගණක වෛරස්
260 _c2003
_aDivulapitiya
_bSaraswathi Prekashana
_g2003
300 _c22 cm.
_a180 p.
650 _aCOMPUTER SCIENCE
650 _aCOMPUTER VIRUSES
942 _cSC
999 _c27167
_d28714