H. van Wyk · H.W. · van Wyk
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| NSSC Development Studies Module 1 Student's Book | 978-0-521-68064-6 | 2005 | Innocent Mweti |
| NSSC Development Studies Module 2 Student's Book | 978-0-521-68065-3 | 2005 | " |
| NSSC Development Studies Module 3 | 978-0-521-68066-0 | 2005 | " |
| NSSC Development Studies Student's Answer Book | 978-0-521-68067-7 | 2005 | " |
| NSSC Development Studies Teacher's Guide | 978-0-521-68068-4 | 2005 | " |