Periodicals are publications which are issued at regular intervals, such as journals, magazines, and newspapers.
Depending on the database you are using, articles may be displayed in different formats:
Article databases provide you with 24-7 access to magazine, journal and newspaper articles. To help you identify the most appropriate database for your research topic:
Posted with permission from North Carolina State University Libraries.
Open source journals provide unrestricted, free access via the Internet to peer-reviewed scholarly journal articles.