Grey literature

Grey literature (or gray literature) is material and research produced by organizations outside of the traditional commercial or academic publishing and distribution channels. Common grey literature publication types include reports (annual, research, technical, project, etc.), working papers, blog posts, government documents, white papers and evaluations. Organizations that produce grey literature include government departments and agencies, civil society or non-governmental organizations, academic centres and departments, and private companies and consultants.

Extends: [Grey literature](https://wikipedia.org.ai/Grey literature), [Technical communication](https://wikipedia.org.ai/Technical communication), Publishing