In Google Scholar, click on the Settings button at the top. From the left column, select "library links." Search for University of Northern Colorado and check the box. Save the settings. Now when you search Google Scholar from off campus, you will see "Find it at UNC" to the right of journal citations that you can click on to get to the journal article.
See the video below for these step-by-step instructions in action.
https://www.youtube.com/watch?v=7cAhSchIHm4