The following resources have academic articles that you can use for your research. They come from Open Access sources (open to everyone). Each source has a link, a How-to video / How-to PDF.
Oxford Academic has articles published in a variety of Oxford journals. Many (but not all) are available to freely access
Wiley Online Library has open access articles from journals published in a variety of Wiley journals.
Google Scholar has articles form a variety of journals -- most (but not all) are available to freely access.
ADVANCED GOOGLE SEARCHING
You can use advance Google Searching techniques to modify your Google searches to find a variety of information, articles, and reports.