These articles contain occupational news, topics, and trends in a technical language specific to the industry. The primary purpose of these types of magazines is to provide information rather than to entertain or report original research. Readers will find, for example, commentary and news on social, political, scientific, historical, and literary issues. My professor says I can only use primary, not secondary, resources. Basically, primary resources report or reflect original research or creative work.
Secondary sources explain, put into context, or restructure the original work.
In the sciences and social sciences, primary works tend to be journal articles, conference papers, and technical reports. Indexes and books are typical secondary sources in these fields. In the humanities the primary work would be, for example, a treatise, a poem or novel, a painting, etc. The following two reference resources may be useful for providing a description and determining the scope and purpose of a periodical in question. R 011.34 U45 Ulrich s, among other information, will indicate whether a particular periodical is refereed.