000 nam a22 7a 4500
999 _c2911
_d2911
003 OSt
005 20171014075251.0
008 170217b xxu||||| |||| 00| 0 eng d
020 _a9559638300
040 _cNARA
082 _a681.14
_bKAR
100 _98800
_aKarunananda, Asoka S.
245 _aHeta Lowata Pariganaka
246 _aහෙට ලොවට පරිගණක
260 _aSri Lanka,
_bOpen University,
_c1998,
300 _a236p.
_c23cm.
651 0 _98801
_aComputer
942 _2udc
_cBK