Per consensus, please install the Quiz extension on the Persian Wikibooks.
I'll try to do it myself.
Change 714872 had a related patch set uploaded (by 4nn1l2; author: 4nn1l2):
[operations/mediawiki-config@master] Install Extension Quiz on fa.wikibooks
Scheduled to be deployed during morning backport window on 26 August.
Change 714872 merged by jenkins-bot:
Mentioned in SAL (#wikimedia-operations) [2021-08-26T18:15:35Z] <urbanecm@deploy1002> Synchronized wmf-config/InitialiseSettings.php: cde88918b73628f2eaaff919ddb869b4dc2c93c6: Install Extension Quiz on fa.wikibooks (T289381) (duration: 01m 07s)