Daftar Rujukan

1. Citeseer (ribuan paper jurnal bidang computer science)
2. Directory of Open Access Journal
3. PubMed Central (free digital archive of biomedical and life sciences)
4. Google Scholar (citation index, abstak dam fulltext)
5. Mirror Scientific Data di LIPI (mirror di LIPI untuk jurnal ilmiah internasional)
6. DBLP Bibliography (Database bibliografi,ada link ke electronic version juga)
7. Libra Academic Search (Microsoft Academic search di china)
8. JSTOR Scholarly Journal Archieve
9. Biomed Central (the Open Access Publisher)
10.Highwire Press Stanford University
11.UC Berkeley on iTunes U (Materi kuliah gratis dari UC Berkeley)
12.MIT Opencourseware (Materi kuliah gratis dari MIT)
13.Patent Searching (Pencarian Dokumen Paten)
14.UK PubMed Central (free archive of life sciences journal)
15.http://gigapedia.org/ (e book gratis)