000 00292nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a9966802061
082 _a004.712ONU
100 _aOnunga John
245 0 _aComputerc studies book 1
260 _bMariwa publishers
_c2005
942 _cBK
999 _c453585
_d453585