MediaWiki:Booksources-invalid-isbn
From MoodleDocs
The given ISBN does not appear to be valid; check for errors copying from the original source.
Note: You are currently viewing documentation for Moodle 2.5. Up-to-date documentation for the latest stable version of Moodle may be available here: Booksources-invalid-isbn.
The given ISBN does not appear to be valid; check for errors copying from the original source.