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 Iran:

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

"

A unique feature of Iran's economy is the reliance on large religious foundations called bonyads, whose combined budgets represent more than 30 percent of central government spending.[citation needed][36]