| thomas ellmer • uniandes • key player network | portal-network › yook3 › ellmer group | business plan international • harald ellmer | germany | colombia | business | development | agency | agencia | agentur | yook3.com |
| thomas ellmer • uniandes • key player network | portal-network › yook3 › ellmer group | business plan international • harald ellmer | germany | colombia | business | development | agency | agencia | agentur | yook3.com |