| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Successful science for Botswana: Gr 9: Learner's book | 978-O-19-576677-6 (O-19-576677-6) | 2007 | T.N. Lebala · K. Tebejane |
B. Kàlmàn · B Kollmann · B. Kolman · Bernd Kuhlmann · Björn Kuhlmann · Helga B. Kuhlmann