WorldWideScience.org: provides one-stop searching of national and international scientific databases and portals. This enables anyone with internet access to launch a single-query search of 32 national scientific databases and portals from 52 countries. Users can search more than 200 million pages of science and technology information not typically accessible through popular search engines. Some of the resources that you will come cross searching via WorldWideScience include DOAJ and all the Journals Online projects (JOLs).
