Wiki Sumber Informasi iSIKHNAS

• Medline/PubMed - This indexes all major medical, veterinary, epidemiological and associated journals, and is freely available for all users through PubMed (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi).
• Medline is also available through Current Contents and other service providers through institutional library subscriptions.
• ScienceDirect (http://www.sciencedirect.com/) provides indexing and search facilities for a wide variety of scientific journals in the physical, life, health and social sciences.
• Biosis previews/Web of knowledge (http://thomsonreuters.com/products_services/science/science_products/a-z/biosis/) indexes a wide variety of journals, conference proceedings, books, review articles etc in the broad life sciences area. Available through institutional subscription. 
• Sciverse Scopus (http://www.scopus.com/home.url) claims to be the world's largest abstract and citation database of peer-reviewed literature and quality web sources, covering a multitude of topics. It is available through institutional subscription and some publishers provide temporary access to reviewers of journal papers.
• Agricola (http://agricola.nal.usda.gov/) is the catalogue of the National Agricultural Library of the USA and provides citations and abstracts for an extensive collection of agricultural literature.
• CAB Abstracts (CAB Abstracts ) includes over 6.3 million records from 1973 onwards, with over 300,000 abstracts added each year, covering agriculture, environment, veterinary sciences, applied economics, food science and nutrition. Access is via institutional subscription or by time-based payment.
• JSTOR (http://www.jstor.org/) indexes more than 1,000 refereed journals from a wide variety of disciplines, including aquatic, biological and health sciences and statistics. Available through institutional or individual subscription.
• SIGLE (http://www.opengrey.eu/), or System for Information on Grey Literature in Europe, indexes more than 700,000 bibliographical references from the grey literature (research reports, doctoral dissertations, conference papers, official publications, and other types of non-refereed publications), produced in Europe. Open access to all users.