| Author | Popularity |
| Dentoni, Domenico |
3 |
| Isubikalu, Prossy |
3 |
| Mordini, Martina |
2 |
| Omta, Onno |
2 |
| Auma Oduol, Judith B. |
1 |
| Auma Oduol, Judith Beatrice |
1 |
| Barzola Iza, Carlos L. |
1 |
| Barzola Iza, Carlos Luis |
1 |
| Bijman, Jos |
1 |
| Bossle, Marilia Bonzanini |
1 |
| Gondwe, Sera |
1 |
| Ji, Chen |
1 |
| Kella, Chintan |
1 |
| Pascucci, Stefano |
1 |
| Royer, Annie |
1 |
| Vieira, Luciana |
1 |
