Application development with PowerBuilder: Train with Ravi - Book 2 by Ravi Kuma

PowerBuilder Application Development (Color Pictures): Training with Ravi by MR

Learning Spring Application Development by Soni, Ravi Kant

Using Powerbuilder 5 : Special Edition by Chuck Wood (1996, CD-ROM)

Revolutionary Guide to PowerBuilder 4.0 by Prasad Bodepuci (1995)

Powerbuilder 9: Advanced Client/Server Development

Developing powerbuilder 4 applications - Bill Hatfield - V314494