Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Economy of Western Sahara:

This text has been unreferenced on Wikipedia for a very long time. If you can't find a source, be bold and remove it!

This text is part of the article's lead section, so referencing it may be optional. Please see WP:CITELEAD for more information.

"

The Free Zone (POLISARIO-administered territory) is mainly uninhabited. There is practically no economical infrastructure and the main activity is camel herding nomadism. The government-in-exile of the Polisario Front had also signed contracts for oil exploration,[3] but there is no practical work, due to the fact that the zones given are in the Moroccan-controlled part of the territory.[citation needed]