| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Research Methodology | 978-0-19-578901-0 (0-19-578901-6) | 2006 | Fanie Kruger · Bruce Mitchell |
| Research Methodology for the Business and Administrative Sciences | 978-0-19-578046-8 (0-19-578046-9) | 2002 | Fanie Kruger |