Scholarly Open Access Search Engines

No.PictureName of the ResourcesE-ContentURL
1 Bielefeld Academic Search Engine (BASE) Bielefeld Academic Search Engine (BASE) Multi-disciplinary search engine to scholarly internet resources, created by Bielefeld University Library in Bielefeld, Germany https://www.base-search.net/
2 CiteSeerX CiteSeerX Computer and Information science http://citeseerx.ist.psu.edu/index