| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Successful Technology | 978-0-19-571551-4 | 1999 | A. Barker · Sue Morrell · Roger Wood |
| Successful Technology: Gr 7: Teacher's Book | 978-0-19-571557-6 | 1999 | A. Barker · Sue Morrell · Roger Wood |
| Successful Technology: Gr 9: Learner's Book | 978-0-19-571971-0 | 2001 | A. Barker · S. Morrell · R. Wood |
| Successful Technology: Gr 9: Teacher's Guide | 978-0-19-571972-7 | 2001 | A. Barker · S. Morrell · R. Wood |
| Suksesvolle Tegnologie | 978-0-19-571711-2 | 2000 | A. Barker · Sue Morrell · Roger Wood |
J. D. U Geldenhuys · J. G. · J.N. Geldenhuys · Jaco Geldenhuys · Jannie Geldenhuys