00558nam a22001457a 4500 1572318090 (pbk) 005.268 HAL Halvorson, Michael Microsoft visual basic 6.0 professional step by step United State of America Microsoft Press 1998 xxviii, 632 p. : ill. ; 23 cm. Includes index Computer program language Advanced database programme Visual Basic User interface Database programming Internet programming Techniques Variables FC BK 0 0 0 0 PTR RIU 2017-01-20 Purchased 0 005.268 HAL 29550 2017-01-20 00:00:00 1 BK 17543 17543