21. | | | |
22. | | Autor: French, Trevor | |
23. | | Autor: Gössling, Stefan | |
24. | | Autor: Donne, Michael | |
25. | | Autor: Dubey, H. C. | |
26. | | Col.autor: United Nations Conference on Trade and Development | |
27. | | Autor: Amweelo, Moses | |
28. | | Autor: Vellas, François | |
29. | | Autor: Vellas, François | |
30. | | Autor: Subremon, Alexandra | |