| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Oxford Successful Mathematics: Gr 4: Learner's Book | 978-0-19-598266-4 | 2008 | J. Pretorius · R. Potgieter · Werner Ladewig · G. Powell |
| Oxford Successful Mathematics: Gr 4: Learner's Book | 978-0-19-578556-2 | 2004 | Werner Ladewig · Rika Potgieter · Johan Pretorius |
| Oxford Successful Mathematics: Gr 5: Learner's Book | 978-0-19-578560-9 | 2004 | Johan Pretorius · Rika Potgieter · Werner Ladewig |
| Oxford Successful Mathematics: Gr 5: Teacher's Book | 978-0-19-578561-6 | 2004 | Werner Ladewig · Rika Potgieter · Johan Pretorius |
| Oxford Successful Mathematics: Gr 6: Learner's Book | 978-0-19-578564-7 | 2004 | Werner Ladewig · Rika Potgieter · Johan Pretorius |