| Verfasser | Häufigkeit |
| Baba, Gnon 1961- |
4 |
| Kowenje, Chrispin |
2 |
| Ajeagah, Gideon |
1 |
| Baba, Gnon |
1 |
| Biswick, Timothy |
1 |
| Haarstrick, Andreas |
1 |
| Mahlambi, Precious N. |
1 |
| Modern and Traditional Methods of Water Resource Management in Africa (Veranstaltung) Durban |
1 |
| Odeku, Oluwatoyin A. |
1 |
| Ojwach, Stephen |
1 |
| Ojwach, Stephen O. |
1 |