A DOI (digital object identifier) is a unique address for items like journal articles, a conference paper, or chapters. Look for the ow the "doi" provided: doi:10.1007/s10067-006-0283-5.
Not all articles have doi's. In the MLA Handbook for Citation (8th ed.), the doi -- if available -- is preferred over a URL
Recent, peer-reviewed journal articles are essential for graduate research. Your instructor will demand them.
The best, effective, and reliable articles are from library databases, as below.
Scholarly collection of articles on the humanities, arts and social sciences. Project Muse is a full text, word by word, search of all content. Although less expansive than JSTOR (below) it is often much easier to get good results.
JSTOR Arts and Sciences How to video in preparation
JSTOR is NOT easy to use. It is a comprehensive, retrospective database. Its strength is word by word searching of all texts. Refining searches for relevance is essential. Recommended, detailed guide on Advanced search features.
Ask you instructor about using this resource. A lot of content is basic and background information., directed more at undergraduates than graduate students.
"MLA" is the major database in the field. Articles, books, dissertations in literature, language and linguistics, folklore, literary theory and criticism, and dramatic arts. Although MLA does not use standard subject headings, it does have powerful features and is considered the best graduate level database for literature
Scholarly research in all major fields of philosophy. Almost entirely scholarly and often advanced coverage.
A huge, broad based, multidisciplinary library database in all fields You can filter for academic articles. Includes social sciences, humanities, and science/ technology.
There maybe other subject area databases related to your research. For example, History or Social Sciences.
Set Your Preferences for Google Scholar