000 003070000a22001330004500
245 _aData processing : a first course
100 _aHarrison, David
260 _aNew Delhi
_bGalgotia
_c1985
300 _aix, 147p.
080 _a004.62
_bH3
650 _aDATA PROCESSING
041 _aEN
942 _cBK
999 _c61956
_d61956