00265nam a22001097a 4500020001500000040000900015082001900024100001500043245003000058260003700088650003000125  a8176351504  cNUST  a005.133bPER'S  aGrag Parry  aVisual Basic 6 in 21 days  aUSA:bMacmillan computer,c1998.  2Visual Basic 6 in 21 days