000 00269nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aMichael Halverson
245 0 _aMicrosoft Visual Basic 6.0 Professional step by step
260 _aNew Delhi
_bP H I
_c2003
942 _cBK
999 _c11414
_d11414