Google Scholar - Wikipedia
https://en.m.wikipedia.org/wiki/Google_Scholar
Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. Released in beta in November 2004, the Google Scholar index includes peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other scholarly literature, including court opinions and patents. Launched: November 20, 2004; 18 years ago Registration: Optional
Launched: November 20, 2004; 18 years ago
Registration: Optional
DA: 49 PA: 41 MOZ Rank: 8 Up or Down: Up