00378nam a2200145Ia 450000100060000000800410000602000180004704000130006508200200007810000150009824500620011326000390017530000110021454600070022517051140405s9999    xx            000 0 und d  a81-7635-150-4  cPK-LaUMT  a 005.437bPER-S  aGreg Perry  aSAMS teach yourself visual basic 6 in 21 dayscGreg Perry  aNew Delhi,India:bTechmedia,c1998  a851 p.  aEN