00289nam a2200109 a 450000500170000002000150001708200230003210000210005524500560007626000260013230000210015820251203091849.0  a8186011899  a001.6424w,bD, pen  aPenfold, John W.  aMicrosoft Visual Basic : the programmer's companion  aDelhibGalgotiac1994  aviii, 264p, 22cm