Use Library OneSearch to find out if we have full-text of an article.
For example, let's say you want to find this article:
Just search Library OneSearch for a portion of the article title "Resources for public relations teaching", and you should see a link to the full-text article!
If we don't have your article electronically or in-print, you can order the article through InterLibrary Loan using ILLiad. It's a free service but a few days for the article to be available.