The full text articles in JBI Connect are usually in PDF format. Click on this button which appears next to each article to go to the full text:
Just above the PDF display for the full article, you will find an Email Jumpstart button:
A box will appear like this:
Highlight and copy the URL (make sure you copy the whole URL as these addresses tend to be quite long) and paste the link into your course page (or use the email option if you want to add it to your course later).