The reference section aims at sharing interesting links, books, documents that matter. You can speedily share these items without even having to register on the website! We browse these links regularly and for those that particularly take our interest we may look for a more thorough contribution (e.g. article or challenge).
How to browse?
The links are attributed to type, categories, countries and tags. By clicking "filters" you will have a set of tools to refine your search combining all these elements. You also have a map that you can zoom in and out of, which will display the elements that are geotagged.