1998 - Official Powerbuilder 6 Fundamentals Second Edition (Paperback) ISBN-13: 9781850329176 ISBN-10: 1850329176 Genre: Computers & Technology ? Powerbuilder 50 Fundamentals (Paperback) ISBN-13: 9781850322832 ISBN-10: 185032283X Genres: Computers & Technology, Reference, Science & Math ? |