Koay, C. W. Microsoft learning Visual Basic 6.0 : step by step / Cover title : Learning Microsoft Visual Basic 6.0 : step by step C W Koay - Kuala Lumpur : Venton Publishing, 2000 - vi, 247 p. : ill. ; 26 cm. ISBN: 9832031206 RM25.00 Hadiah Subjects--Uniform Titles: Microsoft Visual BASIC Subjects--Topical Terms: BASIC (Computer program language)