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Continuing the research process, the investigator then carries out the research necessary to answer the research question, whether this involves reading secondary sources over a few days for an undergraduate term paper or carrying out primary research over years for a major project. When the research is complete and the researcher knows the ...
This is a list of lists of websites, sorted by type and subject, including comparisons and other lists of lists. By type. Academic databases and search engines;
The following is a list of websites that follow a question-and-answer format. The list contains only websites for which an article exists, dedicated either wholly or at least partly to the websites. For the humor "Q&A site" format first popularized by Forum 2000 and The Conversatron, see Q&A comedy website.
The Mendeley research catalog is a crowdsourced database of research documents. Researchers have uploaded nearly 100M documents into the catalog with additional contributions coming directly from subject repositories like Pubmed Central and Arxiv.org or web crawls. Free Mendeley [99] Merck Index: Chemistry, biology, pharmacology: Also available ...
Intute – directory of websites for study and research. Maintenance stopped in July 2011, archives remain available. LookSmart – operated several vertical directories from 1995 to 2006. Lycos' TOP 5% – from 1995 until 2000 it aimed to list the Web's top 5% of Websites. Yahoo! Directory– first service that Yahoo! offered. Closed in ...
AOL Search delivers comprehensive listings and one-click access to relevant videos, pictures, local maps and more.
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Inclusion on the list doesn't automatically mean the absolute truth is on these websites, so always be critical and compare information between different sources. The content of the subsections is alphabetically organized. Please add free online sources if you know some that are missing in this list, but try to keep it relevant and trustworthy.